0,4

Inverse of A115713. Row sums are A032925. First column is A115639.

Triangle begins

1,

1, 1,

4, 0, 1,

4, 0, 1, 1,

4, 4, 0, 0, 1,

4, 4, 0, 0, 1, 1,

16, 0, 4, 0, 0, 0, 1,

16, 0, 4, 0, 0, 0, 1, 1,

16, 0, 4, 4, 0, 0, 0, 0, 1,

16, 0, 4, 4, 0, 0, 0, 0, 1, 1,

16, 16, 0, 0, 4, 0, 0, 0, 0, 0, 1,

16, 16, 0, 0, 4, 0, 0, 0, 0, 0, 1, 1,

16, 16, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 1,

16, 16, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 1, 1,

64, 0, 16, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1,

64, 0, 16, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 1, 1,

64, 0, 16, 0, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 1

Sequence in context: A127538 A096008 A122873 this_sequence A115636 A124321 A100045

Adjacent sequences: A115712 A115713 A115714 this_sequence A115716 A115717 A115718

easy,nonn,tabl

Paul Barry (pbarry(AT)wit.ie), Jan 29 2006