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A134065 Triangle, A134059 + A124927 - A007318. 1
1, 3, 4, 3, 8, 4, 3, 12, 12, 4, 3, 16, 24, 16, 4, 20, 40, 40, 20, 4, 3, 24, 60, 80, 60, 24, 4, 3, 28, 84, 140, 140, 84, 28, 4, 3, 32, 112, 224, 280, 224, 112, 32, 3, 36, 144, 336, 504, 504, 336, 144, 36, 4 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Row sums = A078485 starting (1, 7, 15, 31, 63, 127,...).

LINKS

Table of n, a(n) for n=0..52.

FORMULA

A134059 + A124927 - A007318 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

3, 4;

3, 8, 4;

3, 12, 12, 4;

3, 16, 24, 16, 4;

3, 20, 40, 40, 20, 4;

...

CROSSREFS

Cf. A124927, A134059, A078485.

Sequence in context: A077005 A328347 A265723 * A015887 A077628 A158134

Adjacent sequences:  A134062 A134063 A134064 * A134066 A134067 A134068

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Oct 05 2007

STATUS

approved

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Last modified November 15 11:18 EST 2019. Contains 329144 sequences. (Running on oeis4.)