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A007626 Sum of divisors of superabundant numbers (A004394). +0
3
1, 3, 7, 12, 28, 60, 91, 124, 168, 360, 546, 744, 1170, 2418, 2880, 4368, 5952, 9360, 19344, 39312, 59520, 99944, 112320, 232128, 471744, 714240, 1199328, 1451520, 2437344, 2926080, 3249792, 6604416, 9999360 (list; graph; listen)
OFFSET

1,2

COMMENT

Local maxima of sigma(n), the sum of divisors function A000203.

Same as A063072 for the first 19 terms. - T. D. Noe, Jul 01 2008

LINKS

T. D. Noe, Table of n, a(n) for n=1..500

CROSSREFS

Cf. A002192, A000203, A051444, A004394.

See A034885 and A002093 for another version.

Sequence in context: A062325 A099811 A063072 this_sequence A047068 A081533 A096856

Adjacent sequences: A007623 A007624 A007625 this_sequence A007627 A007628 A007629

KEYWORD

nonn,easy,nice,new

AUTHOR

wnissen(AT)tfn.net (Walter Nissen)

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.


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