A372876 Row sums of A372877.

0, 1, 1, 1, 2, 0, 2, 1, 0, 3, 2, 3, 0, 0, 4, 2, 8, 0, 0, 3, 0, 0, 2, 3, 0, 10, 6, 1, 0, 0, 4, 3, 0, 0, 4, 6, 12, 0, 6, 4, 0, 0, 4, 3, 0, 0, 4, 5, 0, 21, 2, 6, 0, 0, 2, 4, 0, 0, 2, 9, 0, 0, 8, 2, 32, 0, 8, 3, 0, 0, 4, 7, 0, 0, 10, 2, 0, 0, 4, 5, 0, 27, 4, 9, 0, 0

Offset

0,5

Links

Table of n, a(n) for n=0..85.

Maple

J := (n, k) -> ifelse(k::even, 0, NumberTheory:-JacobiSymbol(n, k)):
seq(add(J(n, k), k = 0..n), n = 0..85);

Prog

(PARI) a(n) = vecsum(vector(n, k, if (k%2, kronecker(n, k)))); \\ Michel Marcus, May 19 2024

Crossrefs

Cf. A372877.

Sequence in context: A177446 A074905 A058548 * A157030 A080844 A321428

Adjacent sequences: A372873 A372874 A372875 * A372877 A372878 A372879

Keyword

nonn

Author

Peter Luschny, May 19 2024

Status

approved