Pair the natural numbers such that the n-th pair is (k, k+p(n)) where k is the smallest number not occurring earlier and p(n) is the n-th prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the product of the members of every pair.
A075316
Pair the natural numbers such that the n-th pair is (k, k+p(n)) where k is the smallest number not occurring earlier and p(n) is the n-th prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the product of the members of every pair.
Terms
- a(0) =3a(1) =10a(2) =36a(3) =78a(4) =126a(5) =168a(6) =270a(7) =330a(8) =420a(9) =602a(10) =690a(11) =848a(12) =986a(13) =1178a(14) =1340a(15) =1650a(16) =1886a(17) =2040a(18) =2300a(19) =2522a(20) =2828a(21) =3132a(22) =3534a(23) =3872a(24) =4290a(25) =4590a(26) =5004a(27) =5328a(28) =5586a(29) =5928
External references
- oeis: A075316