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A265907 a(1) = 1; for n > 1, a(n) = a(n-1) + A255411(a(n-1)). 6
1, 5, 27, 283, 2783, 27381, 289573, 3294929, 39857103, 518345071, 13445878403, 294076667433, 6072420019897, 124655463124661, 2601261501948003, 56085731405159779, 1245017012007286199, 28675043602269632757, 682496208885074229469, 16855397487443215829585, 430393080285140358451479, 11389515859337776256294767 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

In factorial base (A007623) these numbers look as:

  1, 21, 1011, 21301, 350321, 5300311, 71310201, 905513221, <the first term with digit-value "10">, ...

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..120

Index entries for sequences related to factorial base representation

FORMULA

a(1) = 1; for n > 1, a(n) = a(n-1) + A255411(a(n-1)).

PROG

(Scheme, with memoization-macro definec)

(definec (A265907 n) (if (= 1 n) n (+ (A265907 (- n 1)) (A255411 (A265907 (- n 1))))))

CROSSREFS

Row 1 of A275960.

Binomial transform of A275965 (when both are considered as offset-0 sequences).

Cf. A007623, A255411.

Cf. A265908 (first differences), A265905 (variant).

Subsequence of A256450.

Sequence in context: A204266 A266204 A300621 * A135627 A244655 A002401

Adjacent sequences:  A265904 A265905 A265906 * A265908 A265909 A265910

KEYWORD

nonn,base

AUTHOR

Antti Karttunen, Dec 20 2015

EXTENSIONS

Note about binomial transform corrected - Antti Karttunen, Sep 20 2016

STATUS

approved

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Last modified July 20 11:28 EDT 2019. Contains 325180 sequences. (Running on oeis4.)