22401
domain: N
Appears in sequences
- Padovan-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-2) + a(n-3).at n=36A141038
- a(n) = 729*n - 198.at n=30A156772
- a(n) = 14*n^2 + 1.at n=39A158482
- a(n) = 56*n^2 + 1.at n=20A158660
- Number of distinct sets of nonnegative integers with perimeter n, as defined in the comments.at n=50A182372
- Integers k equal to the sum over A000203(t) mod t, for some steps, starting with t = k and then using the result to feed the next calculation.at n=37A377001
- Numbers k such that in base 2 the k-th composite is a substring of the k-th prime.at n=16A378479