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A003623 From a 3-way splitting of positive integers: [[n*phi^2]*phi].
(Formerly M2715)
+0
13
3, 8, 11, 16, 21, 24, 29, 32, 37, 42, 45, 50, 55, 58, 63, 66, 71, 76, 79, 84, 87, 92, 97, 100, 105, 110, 113, 118, 121, 126, 131, 134, 139, 144, 147, 152, 155, 160, 165, 168, 173, 176, 181, 186, 189, 194, 199, 202, 207, 210, 215, 220, 223, 228, 231, 236, 241, 244, 249 (list; graph; listen)
OFFSET

1,1

REFERENCES

J. Roberts, Lure of the Integers, Math. Assoc. America, 1992, p. 10.

LINKS

Index entries for sequences related to Beatty sequences

FORMULA

Also a(n) = floor(n*phi) + floor(n*phi^2) = A000201(n) + A001950(n). - Clark Kimberling

a(n)=A(B(n)) with A(k):=A000201(k) and B(k):=A001950(k), k>=1 (Wythoff AB-numbers).

CROSSREFS

Cf. A003622.

Adjacent sequences: A003620 A003621 A003622 this_sequence A003624 A003625 A003626

Sequence in context: A111132 A003234 A047470 this_sequence A058572 A105410 A114548

KEYWORD

nonn,nice,easy

AUTHOR

njas, Mira Bernstein

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Last modified May 15 13:16 EDT 2008. Contains 139641 sequences.


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