A005621 Spiral sieve using Fibonacci numbers. (Formerly M3270)

1, 4, 6, 7, 9, 13, 21, 46, 71, 109, 168, 265, 417, 562, 1051, 1677, 2484, 4053, 6601, 10738, 17979, 28997, 46800, 75573, 120697, 197306, 318939, 515665, 830216, 1343949, 2181261, 3528334, 5698111, 9233541, 14938080

Offset

1,2

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..35.

H. W. Gould, Some sequences generated by spiral sieving methods, Fib. Quart., 12 (1974), 393-397.

Index entries for sequences generated by sieves

Crossrefs

Sequence in context: A023710 A310657 A010448 * A140468 A342236 A349549

Adjacent sequences: A005618 A005619 A005620 * A005622 A005623 A005624

Keyword

nonn,easy

Author

N. J. A. Sloane.

Extensions

More terms from Chris Deugau (deugaucj(AT)uvic.ca), Dec 24 2005

Status

approved