0,4

a(n) = A000045(A066178(n)).

a(0) = Fibonacci(heptanacci(0)) = A000045(A066178(0)) = A000045(1) = 1.

a(1) = Fibonacci(heptanacci(1)) = A000045(A066178(1)) = A000045(1) = 1.

a(2) = Fibonacci(heptanacci(2)) = A000045(A066178(2)) = A000045(2) = 1.

a(3) = Fibonacci(heptanacci(3)) = A000045(A066178(3)) = A000045(4) = 3.

a(4) = Fibonacci(heptanacci(4)) = A000045(A066178(4)) = A000045(8) = 21.

a(5) = Fibonacci(heptanacci(5)) = A000045(A066178(5)) = A000045(16) = 987.

a(6) = A000045(A066178(6)) = A000045(32) = 2178309.

a(7) = A000045(A066178(7)) = A000045(64) = 10610209857723.

a(8) = A000045(A066178(8)) = A000045(127) = 155576970220531065681649693.

Cf. A000045, A001592, A066178, A007570.

Sequence in context: A144621 A111433 A111435 this_sequence A058635 A077260 A012110

Adjacent sequences: A111435 A111436 A111437 this_sequence A111439 A111440 A111441

easy,nonn

Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 14 2005

Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 16 2006