1,2

a(n) = A076271(n+1) - A076271(n) for all n;

a(A076273(k)+j) = A008578(k) for k>0 and 0<=j < A075527(k-1).

T. D. Noe, Table of n, a(n) for n = 1..10000

See A180101 for a variant.

Sequence in context: A063905 A130312 A295629 * A180101 A108035 A202503

Adjacent sequences: A076269 A076270 A076271 * A076273 A076274 A076275

nonn

Reinhard Zumkeller, Oct 04 2002

approved