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

A350405

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

Terms

    a(0) =37a(1) =142a(2) =285a(3) =536a(4) =911a(5) =1268a(6) =1909a(7) =2713a(8) =3876a(9) =5179a(10) =6891a(11) =8901a(12) =11190a(13) =14384a(14) =18087a(15) =21697a(16) =27055a(17) =32166a(18) =39111a(19) =46560a(20) =53892a(21) =64412a(22) =73949a(23) =86778a(24) =98202a(25) =113635a(26) =130088a(27) =148051a(28) =167505a(29) =190968

External references