The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A141056 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A141056

1 followed by A027760, a variant of Bernoulli number denominators.
(history; published version)

#48 by N. J. A. Sloane at Fri Feb 18 23:08:49 EST 2022

STATUS

proposed

approved

#47 by Michel Marcus at Wed Jan 12 05:55:46 EST 2022

STATUS

editing

proposed

#46 by Michel Marcus at Wed Jan 12 05:55:37 EST 2022

CROSSREFS

Cf. A164555, A027642, A048993.

STATUS

reviewed

editing

Discussion

Wed Jan 12

05:55

Michel Marcus: but added new xrefs

#45 by Michel Marcus at Wed Jan 12 05:54:12 EST 2022

STATUS

proposed

reviewed

#44 by Fabián Pereyra at Fri Jan 07 03:23:53 EST 2022

STATUS

editing

proposed

Discussion

Wed Jan 12

05:54

Michel Marcus: yes for me

#43 by Fabián Pereyra at Fri Jan 07 03:23:46 EST 2022

FORMULA

a(n) = denominator(Sum_{j=0..n} (-1)^(n-j)*j!*S2Stirling2(n,j)*B(j)), where B are the Bernoulli numbers A164555/A027642. - Fabián Pereyra, Jan 06 2022

STATUS

proposed

editing

#42 by Fabián Pereyra at Thu Jan 06 16:58:54 EST 2022

STATUS

editing

proposed

Discussion

Fri Jan 07

02:43

Joerg Arndt: S2 are Stirling's second?  If so, please spell it out.

#41 by Fabián Pereyra at Thu Jan 06 16:58:49 EST 2022

FORMULA

a(n) = denominator(Sum_{j=0..n} (-1)^(n-j)*j!*S2(n,j)*B(j)), where B are the Bernoulli numbers A164555/A027642. - Fabián Pereyra, Jan 06 2022

STATUS

approved

editing

#40 by Alois P. Heinz at Wed Dec 19 19:04:45 EST 2018

STATUS

proposed

approved

#39 by Antti Karttunen at Wed Dec 19 18:39:08 EST 2018

STATUS

editing

proposed