3,4

Table of n, a(n) for n=3..105.

Marcellus E. Waddill, The Tetranacci Sequence and Generalizations, The Fibonacci Quarterly, 30.1 (1992) 9.

Marcellus E. Waddill, Some Properties of the Tetranacci Sequence Modulo m, The Fibonacci Quarterly, 30.3 (1992) 232.

Eric Weisstein's World of Mathematics, Tetranacci Number.

a(n) = A001222(A000078(n)). a(n) = bigomega(A000078(n)).

Cf. A000078, A001222.

Sequence in context: A336126 A336153 A299765 * A216084 A055101 A319108

Adjacent sequences: A104408 A104409 A104410 * A104412 A104413 A104414

nonn

Jonathan Vos Post, Mar 05 2005

More terms from R. J. Mathar, Dec 14 2009

Offset changed to 3 by Joerg Arndt, Dec 19 2020

approved