The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A193229 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A193229

A double factorial triangle.
(history; published version)

#26 by Susanna Cuyler at Sun Apr 07 09:06:07 EDT 2019

STATUS

reviewed

approved

#25 by Joerg Arndt at Sat Apr 06 11:38:46 EDT 2019

STATUS

proposed

reviewed

#24 by Seiichi Manyama at Sat Apr 06 11:29:55 EDT 2019

STATUS

editing

proposed

#23 by Seiichi Manyama at Sat Apr 06 11:23:45 EDT 2019

CROSSREFS

T(2*n,n) gives A166334.

#22 by Seiichi Manyama at Sat Apr 06 11:19:06 EDT 2019

EXTENSIONS

More terms from Seiichi Manyama, Apr 06 2019

#21 by Seiichi Manyama at Sat Apr 06 11:17:50 EDT 2019

LINKS

Seiichi Manyama, <a href="/A193229/b193229.txt">Table of n, a(n) for Rows n = 0..9869139, flattened</a>

#20 by Seiichi Manyama at Sat Apr 06 11:15:52 EDT 2019

LINKS

Seiichi Manyama, <a href="/A193229/b193229.txt">Table of n, a(n) for n = 0..9869</a>

#19 by Seiichi Manyama at Sat Apr 06 11:13:57 EDT 2019

DATA

1, 1, 1, 3, 3, 2, 15, 15, 12, 6, 105, 105, 90, 60, 24, 945, 945, 840, 630, 360, 120, 10395, 10395, 9450, 7560, 5040, 2520, 720, 135135, 135135, 124740, 103950, 75600, 45360, 20160, 5040, 2027025, 2027025, 1891890, 1621620, 1247400, 831600, 453600, 181440, 40320

STATUS

approved

editing

#18 by Joerg Arndt at Sun Mar 03 01:56:55 EST 2019

STATUS

reviewed

approved

#17 by Joerg Arndt at Sun Mar 03 01:56:48 EST 2019

STATUS

proposed

reviewed