45568

Appears in sequences

• a(n) = 2*a(n-1) + 4*a(n-2); with a(0)=1, a(1)=4.at n=9A087206
• Numbers of the form p^9*q where p and q are distinct primes.at n=23A179692
• Triangle of coefficients of polynomials v(n,x) jointly generated with A208747; see the Formula section.at n=54A208748
• Triangle of coefficients of polynomials v(n,x) jointly generated with A208917; see the Formula section.at n=54A208918
• Number of 0..n arrays of length 6 with each element unequal to at least one neighbor, starting with 0.at n=7A221465
• The number of P-positions in the game of Nim with up to 4 piles, allowing for piles of zero, such that the number of objects in each pile does not exceed n.at n=39A241522
• Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A253023
• Number of partitions of 4n into distinct parts with equal sums of odd and even parts.at n=29A255001
• Number of subsets of {1, 2, 3, ..., n} that include no consecutive odd integers.at n=18A279245
• Number of subsets of {1, 2, 3, ..., n} that include no consecutive even integers.at n=18A279312
• Number of Dyck paths of semilength n such that the area under the right half of the path equals the area under the left half of the path.at n=13A300323