A036754 Number of strings of n distinct digits from 1-9 that are the last n digits of a square in base 9.

3, 21, 126, 630, 2520, 7560, 15120, 15120

Offset

1,1

Links

Table of n, a(n) for n=1..8.

Crossrefs

Sequence in context: A356889 A220616 A273803 * A121447 A125682 A357783

Adjacent sequences: A036751 A036752 A036753 * A036755 A036756 A036757

Keyword

nonn,base,fini,full

Author

David W. Wilson

Status

approved