A375082 a(n) = binomial(A349958(n),A374959(n))/n.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 15, 1, 5, 1, 3, 1, 1, 1, 4, 1, 1, 5, 4, 1, 1, 1, 102, 2, 3, 1, 2, 1, 5, 1, 10659, 1, 91, 1, 6, 3, 33, 1, 325, 1, 1, 3, 7, 1, 2, 1, 8, 2, 1, 11, 5, 1, 2, 1463, 1, 1, 11, 1, 9, 4, 51, 6, 1, 1, 7, 1

Offset: 1

Author

Pontus von Brömssen, Jul 29 2024

Keywords

• nonn

Links

• Pontus von Brömssen, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A007318, A349958, A374959, A375083, A375084.

Programs

Python

from math import comb
def A375082(n): return next(a for a, b in (divmod(comb(j,k),n) for j in range(n+1) for k in range(j+1)) if not b) # Chai Wah Wu, Jul 30 2024