108240
domain: N
Appears in sequences
- Fibonacci sequence beginning 0, 16.at n=20A022350
- Numbers k such that (k+1)*phi(k) is a perfect square.at n=34A069952
- Numbers that can be expressed as the difference of the squares of primes in exactly seven distinct ways.at n=30A092003
- a(n)=Sum(C(n,2k+1)5^k 3^(2k+1) 7^(n-2k-1), k=0,..,Floor[(n-1)/2]).at n=5A097068
- Record numbers of A171063 nonzero period n solutions of x(i)=(x(i-1)+x(i-2)) mod m, as encountered in (n=1,m=1; n=1,m=2; n=2,m=1) antidiagonal order.at n=32A171061
- Record numbers of A171063 nonzero period n solutions of x(i)=(x(i-1)+x(i-2)) mod m, as encountered in (n=1,m=1; n=2,m=1; n=1,m=2) antidiagonal order.at n=33A171062
- Numbers n such that n^1+n+1, n^2+n+1, n^3+n+1 and n^4+n+1 are all prime.at n=40A219117
- a(n) = 4*n*(n^2 + 2).at n=29A292022