A127733 Square of A127648 = Triangle read by rows, n^2 preceded by (n-1) zeros.

1, 0, 4, 0, 0, 9, 0, 0, 0, 16, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 49

Offset

1,3

Links

Table of n, a(n) for n=1..28.

Example

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

Crossrefs

Cf. A127648.

Sequence in context: A028591 A048728 A002915 * A330379 A364102 A249035

Adjacent sequences: A127730 A127731 A127732 * A127734 A127735 A127736

Keyword

nonn,tabl

Author

Gary W. Adamson, Jan 26 2007

Status

approved