A348326 Number of compositions (ordered partitions) of n into two or more distinct squares.

0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 6, 0, 0, 2, 0, 0, 2, 6, 0, 0, 0, 2, 8, 0, 0, 8, 30, 0, 0, 0, 2, 6, 0, 2, 6, 24, 2, 8, 6, 0, 0, 8, 30, 0, 0, 6, 32, 24, 2, 8, 30, 120, 6, 24, 2, 6, 0, 8, 36, 24, 0, 34, 150, 0, 2, 12, 30, 24, 0, 2, 38, 150, 0, 12, 78, 144, 2, 30, 122, 6

Offset

0,6

Links

Table of n, a(n) for n=0..83.

Index entries for sequences related to sums of squares

Example

For n = 14 there exists the following six solutions: 1+4+9 = 1+9+4 = 4+1+9 = 4+9+1 = 9+1+4 = 9+4+1 = 14, therefore a(14) = 6. - Antti Karttunen, Oct 17 2021

Crossrefs

Cf. A000290, A010052, A033985, A219610, A331844, A347805.

Sequence in context: A375033 A350386 A352550 * A364213 A051907 A178176

Adjacent sequences: A348323 A348324 A348325 * A348327 A348328 A348329

Keyword

nonn

Author

Ilya Gutkovskiy, Oct 12 2021

Status

approved