0,9

a(n) = A000045(A001592(n)).

a(0) = Fibonacci(hexanacci(0)) = A000045(A001592(0)) = A000045(0) = 0.

a(1) = Fibonacci(hexanacci(1)) = A000045(A001592(1)) = A000045(0) = 0.

a(2) = Fibonacci(hexanacci(2)) = A000045(A001592(2)) = A000045(0) = 0.

a(3) = Fibonacci(hexanacci(3)) = A000045(A001592(3)) = A000045(0) = 0.

a(4) = Fibonacci(hexanacci(4)) = A000045(A001592(4)) = A000045(0) = 0.

a(5) = Fibonacci(hexanacci(5)) = A000045(A001592(5)) = A000045(1) = 1.

a(6) = Fibonacci(hexanacci(6)) = A000045(A001592(6)) = A000045(1) = 1.

a(7) = Fibonacci(hexanacci(7)) = A000045(A001592(7)) = A000045(2) = 1.

a(8) = A000045(A001592(8)) = A000045(4) = 3.

a(9) = A000045(A001592(9)) = A000045(8) = 21.

a(10) = A000045(A001592(10)) = A000045(16) = 987.

a(11) = A000045(A001592(11)) = A000045(32) = 2178309.

a(12) = A000045(A001592(12)) = A000045(63) = 6557470319842.

Cf. A000045, A001592, A066178, A007570.

Sequence in context: A127104 A144621 A111433 this_sequence A111438 A058635 A077260

Adjacent sequences: A111432 A111433 A111434 this_sequence A111436 A111437 A111438

easy,nonn

Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 13 2005