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A187339
a(n) = floor((7+sqrt(5))*n/4); complement of A187330.
2
2, 4, 6, 9, 11, 13, 16, 18, 20, 23, 25, 27, 30, 32, 34, 36, 39, 41, 43, 46, 48, 50, 53, 55, 57, 60, 62, 64, 66, 69, 71, 73, 76, 78, 80, 83, 85, 87, 90, 92, 94, 96, 99, 101, 103, 106, 108, 110, 113, 115, 117, 120, 122, 124, 126, 129, 131, 133, 136, 138, 140, 143, 145
OFFSET
1,1
COMMENTS
A187339 and A187330 are a pair of Beatty sequences.
FORMULA
a(n)=floor((7+sqrt(5))*n/4).
MATHEMATICA
Table[Floor[((7+5^(1/2))/4)n], {n, 1, 120}]
CROSSREFS
Cf. A187330.
Sequence in context: A322532 A284365 A059545 * A292649 A061785 A330118
KEYWORD
nonn
AUTHOR
Clark Kimberling, Mar 08 2011
STATUS
approved