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 A086404 Square array of numbers T(n,k)=((1+sqrt(3))(k+sqrt(3))^n-(1-sqrt(3))*(k-sqrt(3))^n)/(2sqrt(3)), read by antidiagonals. 3
 1, 1, 1, 1, 2, 3, 1, 3, 6, 3, 1, 4, 11, 16, 9, 1, 5, 18, 41, 44, 9, 1, 6, 27, 84, 153, 120, 27, 1, 7, 38, 151, 396, 571, 328, 27, 1, 8, 51, 248, 857, 1872, 2131, 896, 81, 1, 9, 66, 381, 1644, 4893, 8856, 7953, 2448, 81, 1, 10, 83, 556, 2889, 10984, 28003, 41904, 29681 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS EXAMPLE Rows begin 1 1 3 3 9 ... 1 2 6 16 44 ... 1 3 11 41 153 ... 1 4 18 84 396 ... 1 5 27 151 857 ... CROSSREFS Rows include A002605, A079935, A086405. Main diagonal is A086406. Rows are successive binomial transforms of (1, 1, 3, 3, 9, 9, ...). Cf. A086350. Sequence in context: A047973 A020501 A283878 * A192852 A152976 A153861 Adjacent sequences:  A086401 A086402 A086403 * A086405 A086406 A086407 KEYWORD easy,nonn,tabl AUTHOR Paul Barry, Jul 19 2003 STATUS approved

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Last modified April 19 13:00 EDT 2021. Contains 343114 sequences. (Running on oeis4.)