Convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n >= 0, with itself.

Terms

a(0) =1a(1) =2a(2) =7a(3) =16a(4) =41a(5) =94a(6) =219a(7) =492a(8) =1101a(9) =2426a(10) =5311a(11) =11528a(12) =24881a(13) =53398a(14) =114083a(15) =242724a(16) =514581a(17) =1087410a(18) =2291335a(19) =4815680a(20) =10097401a(21) =21126862a(22) =44117867a(23) =91963996a(24) =191384541a(25) =397682154a(26) =825190479a(27) =1710033272a(28) =3539371201a(29) =7317351686