A263253 Partial sums of A263251.

2, 3, 3, 3, 5, 6, 7, 8, 9, 10, 12, 13, 14, 14, 15, 17, 18, 18, 18, 19, 20, 21, 22, 22, 23, 24, 25, 26, 27, 27, 28, 29, 30, 30, 31, 33, 33, 34, 35, 36, 37, 38, 38, 39, 39, 41, 42, 42, 43, 44, 45, 45, 48, 49, 50, 51, 52, 53, 54, 55, 56, 59, 59, 59, 60, 62, 64, 64, 66, 67, 67, 68, 69, 70, 72, 73

Offset: 0

Author

Antti Karttunen, Nov 07 2015

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 0..10000
• A. Karttunen, Ratio a(n)/A263252(n) drawn with OEIS Plot2-script

Crossrefs

Cf. A263250, A263252.

Cf. also A263085, A262516, A263278.

Programs

PARI

\\ See program at A263251.

Scheme

;; With memoization-macro definec.
(definec (A263253 n) (if (zero? n) (A263251 n) (+ (A263251 n) (A263253 (- n 1)))))

Formula

a(0) = A263251(n); for n >= 1, a(n) = A263251(n) + a(n-1).