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A184014 n + floor(sqrt(e*n)); complement of A184015. 1
2, 4, 5, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 138 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..120.

FORMULA

a(n) = n + floor(sqrt(e*n))

MATHEMATICA

a=E; b=0;

Table[n+Floor[(a*n+b)^(1/2)], {n, 120}]

Table[n-1+Ceiling[(n*n-b)/a], {n, 80}]

CROSSREFS

Cf. A184015.

Sequence in context: A062102 A092289 A079358 * A183856 A183869 A224731

Adjacent sequences:  A184011 A184012 A184013 * A184015 A184016 A184017

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jan 09 2011

STATUS

approved

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Last modified May 23 13:48 EDT 2013. Contains 225590 sequences.