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 A183294 Complement of A005449. 0
 1, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Table of n, a(n) for n=1..80. FORMULA (See the Mathematica code.) a(n) = n + A180447(n-1). - Kevin Ryde, Sep 01 2024 MATHEMATICA a=3/2; b=1/2; F[n_]:=a*n^2+b*n; R[n_]:=(n/a+((b-1)/(2a))^2)^(1/2); G[n_]:=n-1+Ceiling[R[n]-(b-1)/(2a)]; Table[F[n], {n, 60}] Table[G[n], {n, 100}] PROG (PARI) a(n) = n + (sqrtint(24*n)+1)\6; \\ Kevin Ryde, Sep 01 2024 CROSSREFS Cf. A005449, A180447. Sequence in context: A003619 A216846 A288674 * A039234 A025020 A028974 Adjacent sequences: A183291 A183292 A183293 * A183295 A183296 A183297 KEYWORD nonn,easy,changed AUTHOR Clark Kimberling, Jan 03 2011 STATUS approved

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Last modified September 15 08:55 EDT 2024. Contains 375932 sequences. (Running on oeis4.)