258564
domain: N
Appears in sequences
- Numbers k such that the sum of all possible subsequences of the digits in k, excluding k itself, is k.at n=1A065794
- The number of branching configurations of RNA (see Sankoff, 1985) with n or fewer hairpins.at n=10A176006
- Number of permutations of [n] with exactly nine (possibly overlapping) occurrences of the generalized pattern 13-2.at n=3A264496