29970

Appears in sequences

• Hexanacci numbers: a(n+1) = a(n)+...+a(n-5) with a(0)=...=a(4)=0, a(5)=1.at n=21A001592
• Expansion of eta(q^6) * eta(q^10) / (eta(q) * eta(q^15)) in powers of q.at n=43A094023
• Numbers that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity).at n=21A109027
• Expansion of q * (chi(-q^3) * chi(-q^5)) / (chi(-q) * chi(-q^15))^2 in powers of q where chi() is a Ramanujan theta function.at n=42A123630
• Numbers k such that k and k^2 use only the digits 0, 2, 7, 8 and 9.at n=10A136925
• Expansion of q * chi(q^3) * chi(q^5) / (chi(q) * chi(q^15))^2 in powers of q where chi() is a Ramanujan theta function.at n=42A145786
• a(n) = 15*2^(n+1) - (5*n^2+22*n+30).at n=10A169832
• Number of right triangles on a (n+1)X6 grid.at n=25A189810
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.at n=28A232908
• Number of (1+1) X (n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.at n=7A232909
• Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=4A233942
• Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=0A233946
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=10A233949
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4.at n=14A233949
• Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=6A235083
• Number of (n+1) X (7+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=3A235086
• Number of partitions of n having (sum of odd parts) = (sum of even parts).at n=56A239261
• Number of partitions of 4n with equal sums of odd and even parts.at n=14A249914
• Number of maximal squarefree words of length n over the alphabet {0,1,2}.at n=41A282212
• Number of partitions of n such that the (sum of all odd parts) = floor(n/2).at n=55A284609