The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A062994 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A062994

Eighth column of triangle A062993 (without leading zeros). A Pfaff-Fuss or 9-Raney sequence.
(history; published version)

#43 by Wolfdieter Lang at Mon Feb 05 08:24:02 EST 2024

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editing

approved

#42 by Wolfdieter Lang at Mon Feb 05 08:23:45 EST 2024

COMMENTS

This is instance k = 9 of the generalized Catalan family {C(k, n)}_{n>=0} given in a comment of A130564. - Wolfdieter Lang, Feb 05 2024

CROSSREFS

Cf. A000108, A001764, A002293, A002294, A002295, A002296, A007556, A059968, A130564.

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approved

editing

#41 by R. J. Mathar at Thu Feb 20 06:24:20 EST 2020

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approved

#40 by R. J. Mathar at Thu Feb 20 06:24:16 EST 2020

FORMULA

D-finite with recurrence: 128*n*(8*n-5)*(4*n-1)*(8*n+1)*(2*n-1)*(8*n-1)*(4*n-3)*(8*n-3)*a(n) -81*(9*n-7)*(9*n-5)*(3*n-1)*(9*n-1)*(9*n-8)*(3*n-2)*(9*n-4)*(9*n-2)*a(n-1)=0. - R. J. Mathar, Feb 20 2020

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approved

editing

#39 by Wolfdieter Lang at Thu Feb 06 16:33:04 EST 2020

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approved

#38 by Wolfdieter Lang at Thu Feb 06 16:32:59 EST 2020

CROSSREFS

Cf. A000108, A001764, A002293, A002294, A002295, A002296, A007556, A062744A059968.

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approved

editing

#37 by N. J. A. Sloane at Sat Dec 28 10:16:28 EST 2019

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proposed

approved

#36 by Andrew Howroyd at Tue Dec 24 18:21:45 EST 2019

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proposed

#35 by Andrew Howroyd at Tue Dec 24 18:21:20 EST 2019

CROSSREFS

Column k=8 of A070914.

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#34 by Tom Copeland at Tue Dec 24 16:12:51 EST 2019

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proposed