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A063415 Triangle of coefficients of di-Boustrophedon transform (see A063179) read by rows: Let the original sequence be (U0,U1,...) and the transformed sequence (V0,V2,...), then Vn is a linear combination of U0,...,Un. T(n,m) is the coefficient that goes with Um to get Vn. 0
1, 1, 1, 2, 2, 1, 4, 5, 3, 1, 12, 14, 9, 4, 1, 42, 51, 32, 14, 5, 1, 178, 214, 137, 60, 20, 6, 1, 870, 1049, 668, 295, 100, 27, 7, 1, 4830, 5820, 3713, 1636, 555, 154, 35, 8, 1, 29976, 36125, 23036, 10160, 3446, 952, 224, 44, 9, 1, 205572, 247734, 157993, 69664 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

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

EXAMPLE

The triangle begins:

......1

....1...1

..2...2...1

4...5...3...1

CROSSREFS

T(n, 0) is A063179. Row sums form A062704. T(n, n-2) is A000096. Cf. A059718.

Sequence in context: A273713 A064189 A273897 * A098977 A247311 A113547

Adjacent sequences:  A063412 A063413 A063414 * A063416 A063417 A063418

KEYWORD

nonn,tabl

AUTHOR

Floor van Lamoen, Jul 19 2001

STATUS

approved

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Last modified February 25 22:44 EST 2018. Contains 299662 sequences. (Running on oeis4.)