A375544 a(n) = Sum_{1..n+1} (-1)^(n-k) A375825(n, k).

0, 1, -1, 4, -4, 9, -5, 12, -12, 17, -15, 24, -16, 29, -17, 32, -32, 37, -35, 44, -38, 53, -43, 60, -44, 65, -47, 72, -48, 77, -49, 80, -80, 85, -83, 92, -86, 101, -91, 108, -94, 117, -101, 128, -106, 137, -111, 144, -112, 149, -115, 156, -118, 165, -123, 172

Offset: 0

Author

Peter Luschny, Aug 31 2024

Keywords

• sign

Crossrefs

Cf. A375825.