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A124791
Row sums of number triangle A124790.
2
1, 1, 1, 3, 5, 13, 29, 73, 181, 465, 1205, 3171, 8425, 22597, 61073, 166195, 454949, 1251985, 3461573, 9611191, 26787377, 74916661, 210178457, 591347989, 1668172841, 4717282753, 13369522249, 37970114703, 108045430901
OFFSET
0,4
COMMENTS
Row sums of a generalized Motzkin triangle.
Apparently the Motzkin transform of A105811, after the sign of A105811(1) is negated. - R. J. Mathar, Dec 11 2008
Hankel transform is A159964. - Paul Barry, Apr 28 2009
FORMULA
Conjecture: (n+1)*a(n) +(-n+2)*a(n-1) +(-5*n+7)*a(n-2) +3*(-n+2)*a(n-3) = 0. - R. J. Mathar, Dec 02 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Barry, Nov 07 2006
STATUS
approved