



1, 2, 1, 3, 3, 3, 4, 6, 12, 9, 5, 10, 30, 45, 31, 6, 15, 60, 135, 186, 121, 7, 21, 105, 315, 651, 847, 523, 8, 28, 168, 630, 1736, 3388, 4184, 2469
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OFFSET

0,2


COMMENTS

Row sums = A040027 starting (1, 3, 9, 31, 121, 523,...).
Sum of nth row terms = rightmost term of next row.


LINKS



FORMULA

Binomial transform of an infinite lower triangular matrix with A040027.
(starting 1, 1, 3, 9, 31, 121,...) as the main and subdiagonals.


EXAMPLE

First few rows of the triangle
1;
2, 1;
3, 3, 3;
4, 6, 12, 9;
5, 10, 30, 45, 31;
6, 15, 60, 135, 186, 121;
7, 21, 105, 315, 651, 846, 523;
8, 28, 168, 630, 1736, 3388, 4184, 2469;
...


CROSSREFS



KEYWORD



AUTHOR



STATUS

approved



