Triangle read by rows: row n contains n terms of the arithmetic progression having first term 1 and common difference 2[n^(n-1)-1]/(n-1).
A111568
Triangle read by rows: row n contains n terms of the arithmetic progression having first term 1 and common difference 2[n^(n-1)-1]/(n-1).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =9a(5) =17a(6) =1a(7) =43a(8) =85a(9) =127a(10) =1a(11) =313a(12) =625a(13) =937a(14) =1249a(15) =1a(16) =3111a(17) =6221a(18) =9331a(19) =12441a(20) =15551a(21) =1a(22) =39217a(23) =78433a(24) =117649a(25) =156865a(26) =196081a(27) =235297a(28) =1a(29) =599187
External references
- oeis: A111568