128648

Appears in sequences

• Sum over all permutations of [n] of the minimum of the lengths of longest increasing subsequence and longest decreasing subsequence.at n=7A321274
• Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * B(x)) ), where B(x) is the g.f. of A002293.at n=6A381909