The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A341269 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A341269

Number of non-extendable self-avoiding walks in an n X n grid starting at the top left corner.
(history; published version)

#35 by Alois P. Heinz at Thu Oct 07 16:23:05 EDT 2021

STATUS

proposed

approved

#34 by Henry Bottomley at Thu Oct 07 16:18:56 EDT 2021

STATUS

editing

proposed

#33 by Henry Bottomley at Thu Oct 07 16:14:28 EDT 2021

EXTENSIONS

a(56) corrected by Henry Bottomley, Oct 07 2021

Discussion

Thu Oct 07

16:16

Henry Bottomley: a(6) appears to be out by a factor of about 10.  In fact missing final digit 2 as shown in https://math.stackexchange.com/questions/4270553

#32 by Henry Bottomley at Thu Oct 07 16:11:14 EDT 2021

DATA

1, 2, 20, 548, 40440, 844274, 8442742, 5088482972, 8963926817126, 46591697187961736

EXTENSIONS

a(5) corrected by Henry Bottomley, Oct 07 2021

STATUS

approved

editing

#31 by Peter Luschny at Fri Feb 12 16:02:45 EST 2021

STATUS

reviewed

approved

#30 by Andrew Howroyd at Fri Feb 12 13:32:11 EST 2021

STATUS

proposed

reviewed

#29 by Joerg Arndt at Thu Feb 11 02:01:36 EST 2021

STATUS

editing

proposed

#28 by Joerg Arndt at Thu Feb 11 02:01:29 EST 2021

KEYWORD

nonn,walk,more,changed

STATUS

proposed

editing

#27 by Ryan Bresler at Tue Feb 09 22:59:44 EST 2021

STATUS

editing

proposed

Discussion

Tue Feb 09

23:01

Ryan Bresler: OH... I missed your pun... well done!

#26 by Ryan Bresler at Tue Feb 09 22:59:11 EST 2021

EXAMPLE

1---2 57

| |

X 3 6

X 3---4---5

X X X