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Revision History for A092350 (Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A092350 a(n) = sigma_3(n) - sigma_2(n) - sigma_1(n).
(history; published version)
#5 by Wesley Ivan Hurt at Tue Nov 16 21:55:16 EST 2021
STATUS

editing

approved

#4 by Wesley Ivan Hurt at Tue Nov 16 21:54:36 EST 2021
FORMULA

a(n) = A001158(n) - A001157(n) - A000203(n). - Wesley Ivan Hurt, Nov 16 2021

MATHEMATICA

Table[DivisorSigma[3, n] - DivisorSigma[2, n] - DivisorSigma[1, n], {n, 60}] (* Wesley Ivan Hurt, Nov 16 2021 *)

CROSSREFS

Cf. A000203 (sigma), A001157 (sigma_2(n)), A001158 (sigma_3(n)).

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 16:49:53 EDT 2012
AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com), _, Mar 20 2004

Discussion
Fri Mar 30 16:49 
OEIS Server: https://oeis.org/edit/global/110
#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009
KEYWORD

sign,new

sign

AUTHOR

N. J. A. Sloane (njas, (AT)research.att.com), Mar 20 2004

#1 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004
NAME

a(n) = sigma_3(n) - sigma_2(n) - sigma_1(n).

DATA

-1, 1, 14, 45, 94, 190, 286, 485, 653, 986, 1198, 1806, 2014, 2822, 3244, 4309, 4606, 6319, 6478, 8610, 9100, 11342, 11614, 15470, 15069, 18890, 19580, 24006, 23518, 30380, 28798, 36021, 36028, 42722, 41996, 53259, 49246, 59870, 59788, 71410, 67198, 84092, 77614

OFFSET

1,3

KEYWORD

sign

AUTHOR

njas, Mar 20 2004

STATUS

approved

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Last modified August 30 09:28 EDT 2024. Contains 375532 sequences. (Running on oeis4.)