A035222 Number of squares that appear as substrings in n.

1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 2, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 4, 3, 2, 2, 3

Offset

0,11

Links

Table of n, a(n) for n=0..104.

Example

a(10)=2 since 1 and 0 are squares. a(164)=4 since 1, 16, 64 and 4 are squares

Crossrefs

Sequence in context: A335641 A163495 A060709 * A136436 A276729 A257629

Adjacent sequences: A035219 A035220 A035221 * A035223 A035224 A035225

Keyword

nonn

Author

Erich Friedman

Status

approved