Column 1 of triangle A113983, also a(n) = [A113983^2](n-1,0) + 1.
A113984
Column 1 of triangle A113983, also a(n) = [A113983^2](n-1,0) + 1.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =9a(5) =19a(6) =47a(7) =137a(8) =465a(9) =1819a(10) =8123a(11) =41077a(12) =233473a(13) =1480947a(14) =10412591a(15) =80634433a(16) =683674833a(17) =6312152355a(18) =63144706755a(19) =681317547509
External references
- oeis: A113984