login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A289746 Coefficients in expansion of -q*E'_14 where E_14 is the Eisenstein Series (A058550). 3
24, 393264, 114791328, 6443237472, 146484375120, 1880970700608, 16277353748544, 105566002741440, 549043363293048, 2400292970716320, 9113996005998048, 30817824417926784, 94497033256783248, 266720718523641984, 700630664636456640 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = 24*A282597(n) = 24*n*A013961(n).

MATHEMATICA

Table[24*n*DivisorSigma[13, n], {n, 1, 15}] (* Jean-Fran├žois Alcover, Feb 27 2018 *)

PROG

(PARI) a(n) = 24*n*sigma(n, 13); \\ Michel Marcus, Feb 27 2018

CROSSREFS

(-1)^(k/2)*q*E'_{k}: A076835 (k=2), A145094 (k=4), A145095 (k=6), A289744 (k=8), A289745 (k=10), this sequence (k=14).

Cf. A013961, A058550 (E_14), A282597, A289640.

Sequence in context: A028371 A013774 A088020 * A289640 A319977 A268505

Adjacent sequences:  A289743 A289744 A289745 * A289747 A289748 A289749

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Jul 11 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 27 19:50 EDT 2021. Contains 348288 sequences. (Running on oeis4.)