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 A184102 n+floor(4*sqrt(n)); complement of A184103. 2
 5, 7, 9, 12, 13, 15, 17, 19, 21, 22, 24, 25, 27, 28, 30, 32, 33, 34, 36, 37, 39, 40, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 60, 61, 62, 63, 65, 66, 67, 69, 70, 71, 73, 74, 75, 77, 78, 79, 80, 82, 83, 84, 85, 87, 88, 89, 90, 92, 93, 94, 96, 97, 98, 99, 100, 102, 103, 104, 105, 107, 108, 109, 110, 112, 113, 114, 115, 117, 118, 119, 120, 121, 123, 124, 125, 126, 127, 129, 130, 131, 132, 133, 135, 136, 137, 138, 140 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n)=n+floor(4*sqrt(n)). MATHEMATICA a=16; b=0; Table[n+Floor[(a*n+b)^(1/2)], {n, 100}] Table[n-1+Ceiling[(n*n-b)/a], {n, 80}] Table[n+Floor[4Sqrt[n]], {n, 100}] (* Harvey P. Dale, Jun 21 2015 *) CROSSREFS Cf. A184103. Sequence in context: A045236 A029664 A188793 * A285915 A075329 A177031 Adjacent sequences:  A184099 A184100 A184101 * A184103 A184104 A184105 KEYWORD nonn,easy AUTHOR Clark Kimberling, Jan 09 2011 STATUS approved

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Last modified October 25 19:28 EDT 2020. Contains 338012 sequences. (Running on oeis4.)