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A192378
(A192377)/2.
2
0, 1, 2, 10, 34, 131, 484, 1812, 6756, 25221, 94118, 351262, 1310918, 4892423, 18258760, 68142632, 254311752, 949104393, 3542105802, 13219318834, 49335169514, 184121359243, 687150267436, 2564479710524, 9570768574636, 35718594588045
OFFSET
1,3
COMMENTS
See A192377.
EXAMPLE
(See A192377.)
MATHEMATICA
(See A192376.)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jun 29 2011
STATUS
approved