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A005621 Spiral sieve using Fibonacci numbers.
(Formerly M3270)
+0
2
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 (list; graph; listen)
OFFSET

1,2

REFERENCES

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

LINKS

Index entries for sequences generated by sieves

CROSSREFS

Adjacent sequences: A005618 A005619 A005620 this_sequence A005622 A005623 A005624

Sequence in context: A043337 A023710 A010448 this_sequence A140468 A010418 A087790

KEYWORD

nonn,easy

AUTHOR

njas

EXTENSIONS

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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