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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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Square array of binomial transforms of rows of A081277. Rows include A007051, A006234, A081278, A081279, A081280.

LINKS

Table of n, a(n) for n=0..58.

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 A321000 A121289

Adjacent sequences:  A081278 A081279 A081280 * A081282 A081283 A081284

KEYWORD

easy,nonn,tabl

AUTHOR

Paul Barry, Mar 16 2003

STATUS

approved

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Last modified April 23 18:34 EDT 2019. Contains 322387 sequences. (Running on oeis4.)