Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the sum of the terms of groups.
A092946
Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the sum of the terms of groups.
Terms
- a(0) =2a(1) =5a(2) =19a(3) =29a(4) =73a(5) =113a(6) =167a(7) =269a(8) =431a(9) =509a(10) =673a(11) =977a(12) =1193a(13) =1423a(14) =1861a(15) =1993a(16) =2467a(17) =3041a(18) =3391a(19) =4003a(20) =4523a(21) =5309a(22) =6011a(23) =6833a(24) =7993a(25) =9239a(26) =10093a(27) =10909a(28) =12157a(29) =13417
External references
- oeis: A092946