A248706 - OEIS

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A248706

Central terms of triangle A248600.

1

1, 8, 576, 48320, 5118400, 598123008, 75243589344, 9951304416768, 1366687981264320

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

a(n) is divisible by C(2*n,n).

LINKS

Table of n, a(n) for n=0..8.

EXAMPLE

Triangle A248600 begins:

[1],

[14, 8, 2],

[786, 1056, 576, 96, 6],

[61340, 131760, 117900, 48320, 9540, 720, 20],

[5562130, 16481920, 20917120, 13847680, 5118400, 1025920, 105280, 4480, 70],

[549676764, 2079579600, 3444581700, 3165926400, 1755532800, 598123008, 123656400, 14716800, 926100, 25200, 252], ...

CROSSREFS

Sequence in context: A275932 A058045 A086641 * A325292 A326552 A303933

Adjacent sequences: A248703 A248704 A248705 * A248707 A248708 A248709

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Oct 12 2014

STATUS

approved