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A230413 a(0)=0 and from then on, the partial sums of A230412 summed from the term a(1) onward. 4
0, 1, 2, 2, 2, 3, 4, 5, 5, 5, 6, 7, 8, 8, 8, 9, 10, 11, 11, 11, 11, 11, 11, 12, 13, 14, 14, 14, 15, 16, 17, 17, 17, 18, 19, 20, 20, 20, 21, 22, 23, 23, 23, 23, 23, 23, 24, 25, 26, 26, 26, 27, 28, 29, 29, 29, 30, 31, 32, 32, 32, 33, 34, 35, 35, 35, 35, 35, 35 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Alternatively, one less than the partial sums of A230412 summed from the beginning.

Each n occurs A230405(n) times.

Together with A230412 can be used to compute A230414, A230423 and A230424.

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..10079

FORMULA

a(0) = 0; and for n>=1, a(n) = A230413(n-1) + A230412(n).

a(A219650(n)) = n for all n.

PROG

(Scheme, with memoizing definec-macro from Antti Karttunen's IntSeq-library)

(definec (A230413 n) (if (zero? n) 0 (+ (A230413 (- n 1)) (A230412 n))))

CROSSREFS

Cf. also A230405, A230412, A230414.

This sequence relates to the factorial base representation (A007623) in a similar way as A046699 relates to the binary system.

Sequence in context: A285509 A194813 A096533 * A029096 A194820 A076872

Adjacent sequences:  A230410 A230411 A230412 * A230414 A230415 A230416

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 02 2013

STATUS

approved

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Last modified July 25 01:31 EDT 2021. Contains 346273 sequences. (Running on oeis4.)