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Revision History for A277412

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A277412

A diagonal of triangle A277410.
(history; published version)

#5 by Paul D. Hanna at Tue Oct 25 20:38:28 EDT 2016

STATUS

editing

approved

#4 by Paul D. Hanna at Tue Oct 25 20:38:26 EDT 2016

COMMENTS

The adjacent diagonal in triangle A277410 forms the odd double factorials.

CROSSREFS

Cf. A277410, A277411.

STATUS

approved

editing

#3 by Paul D. Hanna at Tue Oct 25 20:36:49 EDT 2016

STATUS

editing

approved

#2 by Paul D. Hanna at Tue Oct 25 20:36:45 EDT 2016

NAME

allocated for Paul D. Hanna

A diagonal of triangle A277410.

DATA

1, 13, 165, 2310, 36330, 640710, 12588345, 273544425, 6529047525, 170116046100, 4812116809500, 147071309685300, 4835838768886125, 170422360844360625, 6415409821472276625, 257182138353489599250, 10948868951071241940750, 493742086990731259931250, 23529007012831307040178125, 1182267810558397149214753125, 62507026744534189248771965625, 3470421725511913171914539625000, 201956614461150241288627906875000

OFFSET

0,2

PROG

(PARI) {A277410(n, k) = my(A=x); for(i=1, n, A = x + subst(intformal(A +x*O(x^n)), x, y*A + (1-y)*x ) ); n!*polcoeff(polcoeff(A, n, x), k, y)}

for(n=0, 30, print1(A277410(n+3, n), ", "));

KEYWORD

allocated

nonn

AUTHOR

Paul D. Hanna, Oct 25 2016

STATUS

approved

editing

#1 by Paul D. Hanna at Thu Oct 13 23:27:18 EDT 2016

NAME

allocated for Paul D. Hanna

KEYWORD

allocated

STATUS

approved