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A277814 a(n) = number of zeros in A277815[0..n]. 5
0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 8, 9, 9, 10, 11, 12, 13, 14, 14, 14, 14, 14, 15, 16, 16, 16, 16, 17, 17, 18, 19, 20, 21, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 25, 26, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 30, 31, 32, 33, 34, 34, 35, 35, 35, 35, 36, 37, 37, 37, 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, 38, 39 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..16384

PROG

(Scheme)

(define (A277814 n) (if (zero? n) n (+ (A277814 (- n 1)) (A000007 (A277815 n)))))

(define (A000007 n) (if (zero? n) 1 0))

CROSSREFS

Cf. A000007, A277815.

Left inverse of A277817.

Sequence in context: A277425 A245335 A244230 * A006162 A036701 A053756

Adjacent sequences:  A277811 A277812 A277813 * A277815 A277816 A277817

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 06 2016

STATUS

approved

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Last modified February 24 03:22 EST 2020. Contains 332195 sequences. (Running on oeis4.)