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A257672
Numbers of the form floor(r^i) + floor(s^j), where r = (1 + sqrt(5))/2, s = r^2, i >= 0, j >= 0.
1
2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 17, 18, 19, 21, 23, 28, 30, 31, 34, 35, 46, 47, 48, 50, 52, 57, 63, 75, 77, 78, 82, 92, 93, 122, 123, 124, 126, 128, 133, 139, 151, 168, 198, 200, 201, 205, 216, 244, 245, 321, 322, 323, 325, 327, 332, 338, 350, 367, 397, 443
OFFSET
1,1
MATHEMATICA
r = GoldenRatio; s = r/(r - 1); Take[Union[Flatten[Table[Floor[r^i] + Floor[s^j], {i, 0, 100}, {j, 0, 100}]]], 100]
CROSSREFS
Cf. A257671.
Sequence in context: A335040 A270427 A270189 * A285314 A080544 A178878
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 03 2015
STATUS
approved