a(0) = 1; for n > 0, a(n) = A002828(n) * a(n-A002828(n)), where A002828(n) is the least number of squares that add up to n.

A320002

a(0) = 1; for n > 0, a(n) = A002828(n) * a(n-A002828(n)), where A002828(n) is the least number of squares that add up to n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =3a(5) =6a(6) =9a(7) =12a(8) =18a(9) =18a(10) =36a(11) =54a(12) =54a(13) =108a(14) =162a(15) =216a(16) =216a(17) =432a(18) =432a(19) =648a(20) =864a(21) =1296a(22) =1944a(23) =2592a(24) =3888a(25) =3888a(26) =7776a(27) =11664a(28) =15552a(29) =23328

External references