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A034885 Record values of sigma(n). 9
1, 3, 4, 7, 12, 15, 18, 28, 31, 39, 42, 60, 72, 91, 96, 124, 168, 195, 224, 234, 252, 280, 360, 403, 480, 546, 576, 600, 744, 819, 868, 992, 1170, 1344, 1512, 1560, 1680, 1860, 1872, 2016, 2418, 2880, 3048, 3224, 3600, 3844, 4368, 4914, 5040, 5082, 5952, 6045 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

RECORDS transform of A000203.

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000 (terms 1..639 from T. D. Noe)

N. J. A. Sloane, Transforms (The RECORDS transform returns both the high-water marks and the places where they occur).

FORMULA

a(n) = A000203(A002093(n)).

CROSSREFS

Cf. A000203, A002093, A034091.

Sequence in context: A086417 A051215 A192112 * A280991 A256726 A130324

Adjacent sequences:  A034882 A034883 A034884 * A034886 A034887 A034888

KEYWORD

nonn

AUTHOR

Erich Friedman

STATUS

approved

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Last modified December 7 13:08 EST 2021. Contains 349581 sequences. (Running on oeis4.)