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 A182765 Beatty sequence for (6 + sqrt(2))/4. 2
 1, 3, 5, 7, 9, 11, 12, 14, 16, 18, 20, 22, 24, 25, 27, 29, 31, 33, 35, 37, 38, 40, 42, 44, 46, 48, 50, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 74, 75, 77, 79, 81, 83, 85, 87, 88, 90, 92, 94, 96, 98, 100, 101, 103, 105, 107, 109, 111, 113, 114, 116, 118, 120, 122, 124, 126, 127 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Let u=(1+sqrt(2))/2 and v=sqrt(2). Jointly rank {ju} and {kv} as in the first comment at A182760; a(n) is the position of nu. LINKS FORMULA a(n) = floor(r*n), where r = (6 + sqrt(2))/4. a(n) = 2*n - 1 - floor(n/7) for n < 41, but this fails for a(41) = 75 onwards. - M. F. Hasler, Jun 23 2016 MATHEMATICA Table[Floor[(6 + Sqrt@ 2) n/4], {n, 70}] (* Michael De Vlieger, Jun 23 2016 *) PROG (PARI) A182765(n)=n*(6+sqrt(2))\4 \\ Requires sufficient realprecision (but the 64-bit default is enough up to n = 10^38). - M. F. Hasler, Jun 23 2016 CROSSREFS Cf. A182766. Sequence in context: A158919 A276384 A329827 * A246407 A151916 A187687 Adjacent sequences:  A182762 A182763 A182764 * A182766 A182767 A182768 KEYWORD nonn AUTHOR Clark Kimberling, Nov 29 2010 STATUS approved

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Last modified December 7 13:08 EST 2021. Contains 349581 sequences. (Running on oeis4.)