The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A298983

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A298983

Triangle read by rows T(n,k) giving coefficients in expansion of Product_{j=1..n} (1-x^j)^2 mod x^(n+1)-1.
(history; published version)

#54 by Joerg Arndt at Sun Mar 11 05:09:58 EDT 2018

STATUS

proposed

approved

#53 by Seiichi Manyama at Sat Mar 10 21:34:34 EST 2018

STATUS

editing

proposed

#52 by Seiichi Manyama at Sat Mar 10 21:34:29 EST 2018

LINKS

Seiichi Manyama, <a href="/A298983/b298983.txt">Table of n, a(n) for Rows n = 0..9869139, flattened</a>

#51 by Seiichi Manyama at Sat Mar 10 21:33:18 EST 2018

LINKS

Seiichi Manyama, <a href="/A298983/b298983.txt">Table of n, a(n) for n = 0..9869</a>

STATUS

approved

editing

#50 by Susanna Cuyler at Sat Mar 10 19:52:30 EST 2018

STATUS

proposed

approved

#49 by Jon E. Schoenfield at Sat Mar 10 19:35:08 EST 2018

STATUS

editing

proposed

#48 by Jon E. Schoenfield at Sat Mar 10 19:35:04 EST 2018

FORMULA

T(n,k) = (n+1) * Sum_{d | gcd(n+1,n+1-k)} d*mu((n+1)/d) for 0 <= k <= n.

STATUS

proposed

editing

#47 by Omar E. Pol at Sat Mar 10 15:55:58 EST 2018

STATUS

editing

proposed

Discussion

Sat Mar 10

15:56

Omar E. Pol: Minor edits.

#46 by Omar E. Pol at Sat Mar 10 15:55:54 EST 2018

NAME

Triangular array Triangle read by rows T(n,k) giving coefficients in expansion of Product_{j=1..n} (1-x^j)^2 mod x^(n+1)-1.

EXAMPLE

The few first rows follow:

Triangle begins:

STATUS

proposed

editing

#45 by Seiichi Manyama at Sat Mar 10 02:54:51 EST 2018

STATUS

editing

proposed