

A133698


Triangle, diagonal = A001227 with the rest zeros.


4



1, 0, 1, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2
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OFFSET

0,6


LINKS

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


FORMULA

Infinite lower triangular matrix with A001227 (number of odd divisors of n) as the main diagonal the rest zeros.


EXAMPLE

First few rows of the triangle are:
1;
0, 1;
0, 0, 2
0, 0, 0, 1;
0, 0, 0, 0, 2;
...


CROSSREFS

Cf. A133698.
Sequence in context: A037881 A024326 A287619 * A219488 A129251 A276077
Adjacent sequences: A133695 A133696 A133697 * A133699 A133700 A133701


KEYWORD

nonn,tabl


AUTHOR

Gary W. Adamson, Sep 21 2007


STATUS

approved



