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A134310 (A000012 * A134309 + A134309 * A000012) - A000012. 1
1, 1, 1, 2, 2, 3, 4, 4, 5, 7, 8, 8, 9, 11, 15, 16, 16, 17, 19, 23, 31, 32, 32, 33, 35, 39, 47, 63, 64, 64, 65, 67, 71, 79, 95, 127, 128, 128, 129, 131, 135, 143, 159, 191, 255, 256, 256, 257, 259, 263, 271, 287, 319, 383, 511 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Row sums = A134311: (1, 2, 7, 20, 51, 122, 281, 632,...).

LINKS

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

FORMULA

(A000012 * A134309 + A134309 * A000012) - A000012, as infinite lower triangular matrices, where A000012 = (1; 1,1; 1,1,1;...).

EXAMPLE

First few rows of the triangle are:

1;

1, 1;

2, 2, 3;

4, 4, 5, 7;

8, 8, 9, 11, 15;

16, 16, 17, 19, 23, 31;

32, 32, 33, 35, 39, 47, 63;

...

CROSSREFS

Cf. A134309, A134311.

Sequence in context: A259200 A153155 A225085 * A308663 A305713 A259201

Adjacent sequences:  A134307 A134308 A134309 * A134311 A134312 A134313

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Oct 19 2007

STATUS

approved

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Last modified May 13 23:41 EDT 2021. Contains 343868 sequences. (Running on oeis4.)