A005620 Spiral sieve using Fibonacci numbers. (Formerly M0967)

1, 2, 4, 5, 7, 17, 25, 40, 63, 99, 156, 249, 397, 538, 1019, 1637, 2434, 3989, 6847, 10634, 17845, 28827, 46584, 75299, 121741, 196862, 318375, 514947, 832952, 1347429, 2179785, 3526456, 5705275, 9230503, 14934216

Offset

1,2

References

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

Links

Sean A. Irvine, Table of n, a(n) for n = 1..500

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: A127791 A290431 A220701 * A049915 A244332 A119909

Adjacent sequences: A005617 A005618 A005619 * A005621 A005622 A005623

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

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

Corrected by T. D. Noe, Oct 25 2006

Status

approved