



1, 4, 4, 9, 0, 9, 16, 16, 0, 16, 25, 0, 0, 0, 25, 36, 36, 36, 0, 0, 36, 49, 0, 0, 0, 0, 0, 49, 64, 64, 0, 64, 0, 0, 0, 64, 81, 0, 81, 0, 0, 0, 0, 0, 81, 100, 100, 0, 0, 100, 0, 0, 0, 0, 100
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OFFSET

1,2


COMMENTS

Row sums = A034714: (1, 8, 18, 48, 50, 144,...).


LINKS

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


FORMULA

A127733 * A051731 as infinite lower triangular matrices. Triangle read by rows: replace 1's in nth row of A051731 with n^2.


EXAMPLE

First few rows of the triangle are:
1;
4, 4;
9, 0, 9;
16, 16, 0, 16;
25, 0, 0, 0, 25;
36, 36, 36, 0, 0, 36;
49, 0, 0, 0, 0, 0, 49;
...


CROSSREFS

Cf. A051731, A127733, A034714.
Sequence in context: A201989 A071775 A269594 * A176441 A143183 A165441
Adjacent sequences: A134573 A134574 A134575 * A134577 A134578 A134579


KEYWORD

nonn,tabl


AUTHOR

Gary W. Adamson, Nov 02 2007


STATUS

approved



