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A128181 A007318 * A128179 as infinite lower triangular matrices. 0
1, 1, 2, 2, 4, 3, 4, 8, 9, 4, 8, 16, 21, 16, 5, 16, 32, 45, 44, 25, 6, 32, 64, 93, 104, 80, 36, 7, 64, 128, 189, 228, 210, 132, 49, 8, 128, 256, 381, 480, 495, 384, 203, 64, 9, 256, 512, 765, 988, 1095, 978, 651, 296, 81, 10 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Binomial transform of A128179.

Row sums = A058396 starting (1, 3, 9, 25, 66, 168,...)

LINKS

Table of n, a(n) for n=1..55.

EXAMPLE

First few rows of the triangle are:

1;

1, 2;

2, 4, 3;

4, 8, 9, 4;

8, 16, 21, 16, 5;

16, 32, 45, 44, 25, 6;

32, 64, 93, 104, 80, 36, 7;

...

CROSSREFS

Cf. A128179, A097807, A002260, A058396.

Sequence in context: A328774 A131816 A223541 * A125185 A274895 A173387

Adjacent sequences:  A128178 A128179 A128180 * A128182 A128183 A128184

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Feb 17 2007

STATUS

approved

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Last modified July 27 23:16 EDT 2021. Contains 346316 sequences. (Running on oeis4.)