a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal numbers in exactly n ways, or 0 if no such integer exists.

A350207

a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal numbers in exactly n ways, or 0 if no such integer exists.

Terms

    a(0) =25a(1) =65a(2) =144a(3) =305a(4) =456a(5) =622a(6) =731a(7) =1006a(8) =1434a(9) =1499a(10) =1711a(11) =1806a(12) =2446a(13) =2742a(14) =3001a(15) =3051a(16) =3544a(17) =3699a(18) =3962a(19) =4345a(20) =5362a(21) =5039a(22) =5756a(23) =5712a(24) =6251a(25) =6655a(26) =7399a(27) =7698a(28) =7591a(29) =8304

External references