1,3

Michel Marcus, Table of n, a(n) for n = 1..1000

a(n) = A076541(n) mod n.

(PARI) a(n) = sum(k=1, n, binomial(n, k) % k) % n;

Cf. A076541, A081371, A280559.

Sequence in context: A108939 A138143 A285727 * A106441 A131836 A133829

Adjacent sequences: A281905 A281906 A281907 * A281909 A281910 A281911

nonn

Michel Marcus, Feb 01 2017

approved