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Triangle read by rows: A169950 with rows reversed.
0

%I #4 Mar 30 2012 16:51:46

%S 1,1,1,1,2,1,1,1,5,1,1,2,4,8,1,1,1,8,8,13,1,1,2,7,18,15,20,1,1,1,11,

%T 13,45,23,33,1,1,2,10,28,36,86,44,48,1,1,1,14,18,84,70,184,64,75,1,1,

%U 2,13,36,68,188,166,332,117,100,1,1,1,17,23,132,134,482,282,657

%N Triangle read by rows: A169950 with rows reversed.

%H <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>

%F Wanted: a recurrence. Are any of A169940-A169954 related to any other entries in the OEIS?

%e Triangle begins:

%e [1]

%e [1, 1]

%e [1, 2, 1]

%e [1, 1, 5, 1]

%e [1, 2, 4, 8, 1]

%e [1, 1, 8, 8, 13, 1]

%e [1, 2, 7, 18, 15, 20, 1]

%e [1, 1, 11, 13, 45, 23, 33, 1]

%e [1, 2, 10, 28, 36, 86, 44, 48, 1]

%e [1, 1, 14, 18, 84, 70, 184, 64, 75, 1]

%e [1, 2, 13, 36, 68, 188, 166, 332, 117, 100, 1]

%e [1, 1, 17, 23, 132, 134, 482, 282, 657, 173, 145, 1]

%e [1, 2, 16, 44, 109, 316, 396, 1000, 601, 1144, 262, 204, 1]

%e [1, 1, 20, 28, 187, 221, 924, 742, 2279, 1035, 2086, 374, 293, 1]

%e [1, 2, 19, 52, 159, 478, 749, 2090, 1895, 4460, 2077, 3434, 571, 396, 1]

%e [1, 1, 23, 33, 251, 327, 1561, 1469, 5403, 3463, 9441, 3397, 6047, 791, 559, 1]

%e ...

%Y Related to thickness: A169940-A169954, A061909.

%K nonn,tabl

%O 0,5

%A _N. J. A. Sloane_, Aug 01 2010