0,3

Antti Karttunen, Table of n, a(n) for n = 0..10000

a(0) = 0; for n >= 1, a(n) = A276438(n) + a(n-1).

(Scheme, with memoization-macro definec)

(definec (A276439 n) (if (zero? n) n (+ (A276438 n) (A276439 (- n 1)))))

Cf. A274647, A276438

Cf. also A064289, A078759.

Differs from A078759 for the first time at n=24, where a(24)=7 while A078759(24)=6.

Sequence in context: A174863 A064289 A078759 * A282701 A095207 A065362

Adjacent sequences: A276436 A276437 A276438 * A276440 A276441 A276442

nonn

Antti Karttunen, Sep 04 2016

approved