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A134836 Antidiagonals of the array: A007318 * A002260(transform). 1
1, 1, 1, 1, 3, 1, 1, 5, 3, 1, 1, 7, 8, 3, 1, 1, 9, 16, 8, 3, 1, 1, 11, 27, 20, 8, 3, 1, 1, 13, 41, 43, 20, 8, 3, 1, 1, 15, 58, 83, 48, 20, 8, 3, 1, 1, 17, 78, 138, 106, 48, 20, 8, 3, 1, 1, 19, 101, 218, 213, 112, 48, 20, 8, 3, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Row sums = A001629, starting (1, 2, 5, 10, 20 38, 71, 130,...). Rows tend to A001792 staring from the right: (1, 3, 8, 20, 48, 112,...).

LINKS

Table of n, a(n) for n=1..66.

FORMULA

Antidiagonals of the array: A007318 * A002260(transform), where A002260 = (1; 1,2; 1,2,3;...).

EXAMPLE

First few rows of the array are:

1,...1,...1,...1,...1,...1,...;

1,...3,...3,...3,...3,...3,...;

1,...5,...8,...8,...8,...8,...;

1,...7,..16,..20,..20,..20,...;

1,...9,..27,..43,..48,..48,...;

1,..11,..41,..83,.106,.112,...;

...

First few rows of the triangle are:

1;

1, 1;

1, 3, 1;

1, 5, 3, 1;

1, 7, 8, 3, 1;

1, 9, 16, 8, 3, 1;

1, 11, 27, 20, 8, 3, 1;

1, 13, 41, 43, 20, 8, 3, 1;

...

CROSSREFS

Cf. A002260, A001792, A001629.

Sequence in context: A152720 A131247 A114278 * A180955 A191751 A285409

Adjacent sequences:  A134833 A134834 A134835 * A134837 A134838 A134839

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Nov 12 2007

STATUS

approved

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)