156597

Appears in sequences

• Expansion of 1/(1 - x - x^2 + x^5 - x^7).at n=28A204631
• Triangle read by rows: T(n,k) is the number of quasi series-parallel matroids on [n] with rank k, 0 <= k <= n.at n=40A359985
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384649.at n=62A384653