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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
OFFSET
2,1
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 14 2002
STATUS
approved