a(1) = 4, a(n+1) is the smallest composite number > a(n) such that all of the differences a(n+1)-a(n) are distinct primes.
A073679
a(1) = 4, a(n+1) is the smallest composite number > a(n) such that all of the differences a(n+1)-a(n) are distinct primes.
Terms
- a(0) =4a(1) =6a(2) =9a(3) =14a(4) =21a(5) =32a(6) =45a(7) =62a(8) =81a(9) =104a(10) =133a(11) =164a(12) =201a(13) =242a(14) =285a(15) =332a(16) =385a(17) =444a(18) =505a(19) =572a(20) =645a(21) =716a(22) =795a(23) =878a(24) =975a(25) =1064a(26) =1165a(27) =1268a(28) =1375a(29) =1484
External references
- oeis: A073679