Main diagonal of the table of k-almost primes (A078840): a(n) = (n+1)-st integer that is an n-almost prime.

A078841

Main diagonal of the table of k-almost primes (A078840): a(n) = (n+1)-st integer that is an n-almost prime.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =20a(4) =54a(5) =112a(6) =240a(7) =648a(8) =1344a(9) =2816a(10) =5760a(11) =12800a(12) =26624a(13) =62208a(14) =129024a(15) =270336a(16) =552960a(17) =1114112a(18) =2293760a(19) =4915200a(20) =9961472a(21) =20447232a(22) =47775744a(23) =96468992a(24) =198180864a(25) =411041792a(26) =830472192a(27) =1698693120a(28) =3422552064a(29) =7046430720

External references