



1, 3, 2, 4, 3, 3, 7, 6, 4, 4, 6, 5, 5, 5, 5, 12, 11, 9, 6, 6, 6, 8, 7, 7, 7, 7, 7, 7, 15, 14, 12, 12, 8, 8, 8, 8, 13, 12, 12, 9, 9, 9, 9, 9, 9, 18, 17, 15, 15, 15, 10, 10, 10, 10, 10
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OFFSET

1,2


COMMENTS

Row sums = A001157: (1, 5, 10, 21, 26, 50,...). Left border = sigma(n), A000203.


LINKS

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


FORMULA

A127093 * A000012 as infinite lower triangular matrices. Triangle read by rows, partial sums of A127093 terms starting from the right.


EXAMPLE

First few rows of the triangle are:
1;
3, 2;
4, 3, 3;
7, 6, 4, 4;
6, 5, 5, 5, 5,;
12, 11, 9, 6, 6, 6;
8, 7, 7, 7, 7, 7, 7;
15, 14, 12, 12, 8, 8, 8, 8;
...


CROSSREFS

Cf. A127093, A001157, A000203.
Sequence in context: A130079 A247190 A243289 * A007456 A316141 A119707
Adjacent sequences: A134556 A134557 A134558 * A134560 A134561 A134562


KEYWORD

nonn,tabl


AUTHOR

Gary W. Adamson, Oct 31 2007


STATUS

approved



