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A166452
Binomial transform of A166242.
0
1, 3, 9, 21, 45, 99, 225, 507, 1101, 2295, 4653, 9381, 19221, 40491, 87453, 191205, 417117, 898119, 1897125, 3922977, 7945713, 15800367, 30960765, 60068235, 116058981, 224778159, 439342677, 871864317, 1764029985, 3643978479, 7672441101, 16397598555, 35377739037
OFFSET
-1,2
FORMULA
Equals A007318 as an infinite lower triangular matrix * A166242 as a vector.
EXAMPLE
a(2) = 21 = (1, 3, 3, 1) dot (1, 2, 4, 2) = (1 + 6 + 12 + 2).
CROSSREFS
Sequence in context: A107351 A376196 A068156 * A052101 A063830 A062444
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Oct 13 2009
STATUS
approved