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A131953 A130321 + A059268 - A000012(signed). 1
1, 4, 2, 4, 5, 4, 10, 5, 7, 8, 16, 11, 7, 11, 16, 34, 17, 13, 11, 19, 32, 64, 35, 19, 17, 19, 35, 64, 130, 65, 37, 23, 25, 35, 67, 128, 256, 131, 67, 41, 31, 41, 67, 131, 256, 514, 257, 133, 71, 49, 47, 73, 131, 259, 512 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Row sums = A101622 starting (1, 6, 13, 30, 61, 126,...).

LINKS

Table of n, a(n) for n=0..54.

FORMULA

A130321 + A059268 - A000012(signed + - + -,...by columns) as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

4, 2;

4, 5, 4;

10, 5, 7, 8;

16, 11, 7, 11, 16;

34, 17, 13, 11, 19, 32;

64, 35, 19, 17, 19, 35, 64;

...

CROSSREFS

Cf. A130321, A059268, A101622.

Sequence in context: A258852 A021706 A224183 * A167508 A167507 A007005

Adjacent sequences:  A131950 A131951 A131952 * A131954 A131955 A131956

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jul 30 2007

STATUS

approved

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Last modified January 19 18:27 EST 2019. Contains 319309 sequences. (Running on oeis4.)