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A069308
Number of 4 X n binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.
15
85, 926, 10269, 114344, 1275129, 14226710, 158755329, 1771648672, 19771329973, 220646655318, 2462407613981, 27480393415984, 306680449108553, 3422545943800702, 38195526542871473, 426261120804626008
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OFFSET
2,1
LINKS
Sean A. Irvine,
Table of n, a(n) for n = 2..200
CROSSREFS
Cf. 2 X n
A069306
, 3 X n
A069307
, 5 X n
A069309
, 6 X n
A069310
, 7 X n
A069311
, 8 X n
A069312
, 9 X n
A069313
, 10 X n
A069314
, 11 X n
A069315
, 12 X n
A069316
, 13 X n
A069317
, 14 X n
A069318
, 15 X n
A069319
, 16 X n
A069320
, by columns
A069294
-
A069305
.
Sequence in context:
A173470
A202009
A194533
*
A183643
A206163
A020239
Adjacent sequences:
A069305
A069306
A069307
*
A069309
A069310
A069311
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Mar 14 2002
STATUS
approved
