65758
domain: N
Appears in sequences
- a(n) = binomial(n+2,2) + binomial(n+3,3) + binomial(n+4,4) + binomial(n+5,5).at n=20A027659
- Revert transform of (-1 + x + x^2)/((x - 1)*(x + 1)).at n=10A049124
- Sum of numbers that cannot be written as t*p(n) + u*p(n+1) for nonnegative integers t, u, where p(n) is the n-th prime.at n=8A076429
- Number of (n+2) X (2+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A252713