50729
domain: N
Appears in sequences
- Numbers k such that the decimal part of k^(1/10) starts with a 'nine digits' anagram.at n=20A034285
- Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k peaks at even height.at n=38A101895
- Number of 2nX4 0..3 arrays with values 0..3 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=2A198206
- Number of 2nX6 0..3 arrays with values 0..3 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=1A198207
- T(n,k)=Number of 2nX2k 0..3 arrays with values 0..3 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=7A198209
- T(n,k)=Number of 2nX2k 0..3 arrays with values 0..3 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors.at n=8A198209
- Number of 4 X n 0..2 arrays with no element equal to any value at offset (0,-1) (-1,-1) or (-2,0) and new values introduced in order 0..2.at n=9A274896
- Expansion of 1/sqrt( (1-x) * (1-5*x)^3 ).at n=6A383254
- a(n) = Sum_{k=0..floor(n/2)} (k+1) * binomial(k,2*(n-2*k)).at n=31A392251