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A153345 Triangle read by rows, A000012 * A055830 2
1, 2, 0, 4, 1, 0, 7, 4, 1, 0, 12, 11, 5, 1, 0, 20, 26, 17, 6, 1, 33, 56, 48, 24, 7, 1, 0, 54, 114, 121, 78, 32, 8, 1, 0, 88, 223, 283, 223, 117, 41, 9, 1, 0, 143, 424, 627, 584, 372, 166, 51, 10, 1, 0, 232, 789, 1334, 1434, 1073, 579, 226, 61, 11, 1, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = Pell numbers, A000129: (1, 2, 5, 12, 29,...).

Left border = A000071.

LINKS

Table of n, a(n) for n=1..65.

FORMULA

Triangle read by rows, A000012 * triangle A055830 = partial sums of A055830 columns.

EXAMPLE

First few rows of the triangle =

1;

2, 0;

4, 1, 0;

7, 4, 1, 0;

12, 11, 5, 1, 0;

20, 26, 17, 6, 1, 0;

33, 56, 48, 24, 7, 1, 0;

54, 114, 121, 78, 32, 8, 1, 0;

88, 223, 283, 223, 117, 41, 9, 1, 0;

143, 424, 627, 584, 372, 166, 51, 10, 1, 0;

232, 789, 1334, 1434, 1073, 579, 226, 62, 11, 1, 0;

...

CROSSREFS

Cf. A055830, A000129

Sequence in context: A166589 A255330 A291940 * A140648 A153342 A144258

Adjacent sequences:  A153342 A153343 A153344 * A153346 A153347 A153348

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Dec 24 2008

STATUS

approved

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Last modified October 23 22:08 EDT 2019. Contains 328373 sequences. (Running on oeis4.)