Lexicographically earliest sequence of pairwise coprime tetrahedral numbers.

Terms

a(0) =1a(1) =4a(2) =35a(3) =969a(4) =302621a(5) =437989a(6) =657359a(7) =939929a(8) =3737581a(9) =6435689a(10) =9290431a(11) =21084251a(12) =26536591a(13) =39338069a(14) =44101441a(15) =61690919a(16) =112805879a(17) =289442201a(18) =439918931a(19) =1008077071a(20) =1103914379a(21) =1220664491a(22) =1369657969a(23) =1504148881a(24) =1779510701a(25) =1868223839a(26) =2252547431