401355

Appears in sequences

• Expansion of e.g.f. A(x,y) satisfying A(x,y) = Sum_{n>=0} (A(x,y)^n + y)^n * x^n/n!, as a triangle read by rows.at n=23A361540
• a(n) = A361540(n,2) for n >= 2, a column of triangle A361540.at n=4A361549