A276951 Index of column where n is located in array A276953 (equally: row in A276955).

0, 1, 1, 2, 3, 4, 1, 5, 2, 6, 7, 8, 3, 9, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 1, 19, 5, 20, 21, 22, 2, 23, 6, 24, 25, 26, 7, 27, 8, 28, 29, 30, 31, 32, 33, 34, 35, 36, 3, 37, 9, 38, 39, 40, 4, 41, 10, 42, 43, 44, 11, 45, 12, 46, 47, 48, 49, 50, 51, 52, 53, 54, 13, 55, 14, 56, 57, 58, 15, 59, 16, 60, 61, 62, 17, 63, 18, 64

Offset

0,4

Comments

a(0) = 0 by convention, because 0 is not present in arrays A276953 and A276955.

Links

Antti Karttunen, Table of n, a(n) for n = 0..5040

Index entries for sequences related to factorial base representation

Formula

a(0) = 0; for n >= 1, if A260736(n) > 0 [when A276950(n) is not zero, when n is in A273670], then a(n) = A276952(n) = 1 + A273663(n), otherwise a(n) = a(A266193(n)).

Other identities. For all n >= 0:

a(n) = A257681(A275847(n)).

Prog

(Scheme) (definec (A276951 n) (cond ((zero? n) n) ((not (zero? (A276950 n))) (A276952 n)) (else (A276951 (A266193 n)))))

Crossrefs

Cf. A260736, A266193, A273670, A276950, A276952, A273663.

Cf. arrays A276953 & A276955. A276949 gives their other index.

Cf. also A257681, A275847.

Sequence in context: A023133 A026280 A115994 * A071437 A243713 A332266

Adjacent sequences: A276948 A276949 A276950 * A276952 A276953 A276954

Keyword

nonn,base

Author

Antti Karttunen, Sep 22 2016

Status

approved