The smallest superharmonic number with index n.

Terms

a(0) =6a(1) =30a(2) =102a(3) =186a(4) =1146a(5) =762a(6) =8022a(7) =5334a(8) =35526a(9) =23622a(10) =145542a(11) =49146a(12) =540606a(13) =344022a(14) =2309862a(15) =786426a(16) =4718586a(17) =3145722a(18) =33030102a(19) =22020054a(20) =146276166a(21) =97517382a(22) =599260422a(23) =399506694a(24) =4194822954a(25) =2796546858a(26) =18577073082a(27) =6441615366a(28) =38649937926a(29) =12884901882