61755
domain: N
Appears in sequences
- Odd hexagonal pyramidal numbers.at n=22A015225
- Number of nX5 binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.at n=5A183317
- Number of nX6 binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.at n=4A183318
- T(n,k) is the number of n X k binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.at n=49A183322
- T(n,k) is the number of n X k binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it.at n=50A183322
- Composite squarefree numbers n such that p(i)-6 divides n+6, where p(i) are the prime factors of n.at n=20A225706
- Odd numbers k such that A(k) == 0 (mod k) (see Comments for details).at n=5A308242
- a(n) = 4*p(n-1)*p(n+1) - p(n)^2, where p(k) = k-th prime.at n=33A327447
- Numbers k such that the product of distinct digits of k equals the sum of the prime divisors of k.at n=43A357262