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A081281
Square array of binomial transforms of Chebyshev polynomial coefficients.
1
1, 1, 2, 1, 4, 5, 1, 6, 15, 14, 1, 8, 29, 54, 41, 1, 10, 47, 126, 189, 122, 1, 12, 69, 238, 513, 648, 365, 1, 14, 95, 398, 1101, 1998, 2187, 1094, 1, 16, 125, 614, 2057, 4788, 7533, 7290, 3281, 1, 18, 159, 894, 3501, 9858, 19899, 27702, 24057, 9842, 1, 20, 197, 1246
OFFSET
0,3
COMMENTS
Square array of binomial transforms of rows of A081277. Rows include A007051, A006234, A081278, A081279, A081280.
FORMULA
Rows have g.f. (1-2x)(1-x)^(n-1)/(1-3x)^(n+1).
EXAMPLE
Read by antidiagonals, the array appears as {1}, {1,2},{1,4,5}, {1,6,15,14}, {1,8,29,54,41},...
CROSSREFS
Sequence in context: A188106 A050166 A124959 * A108198 A371686 A321000
KEYWORD
easy,nonn,tabl
AUTHOR
Paul Barry, Mar 16 2003
STATUS
approved