a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists.
A360215
a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists.
Terms
- a(0) =1a(1) =1383a(2) =4157a(3) =6548a(4) =8633a(5) =9884a(6) =12503a(7) =12920a(8) =15357a(9) =15812a(10) =18146a(11) =18126a(12) =19755a(13) =20895a(14) =22106a(15) =23229a(16) =23246a(17) =23685a(18) =22118a(19) =25142a(20) =25884a(21) =27894a(22) =29448a(23) =28149a(24) =29703a(25) =30285a(26) =31914a(27) =30966a(28) =34007a(29) =34380
External references
- oeis: A360215