A182835 n+floor(sqrt(2n+3)), complement of A179207.

3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92

Offset

1,1

Links

Table of n, a(n) for n=1..80.

Formula

a(n)=n+floor(sqrt(2n+3)).

Mathematica

a=2; b=3; Table[n+Floor[(a*n+b)^(1/2)], {n, 80}]

Crossrefs

Cf. A179207.

Sequence in context: A184010 A256827 A175139 * A058654 A188435 A047517

Adjacent sequences: A182832 A182833 A182834 * A182836 A182837 A182838

Keyword

nonn,easy

Author

Clark Kimberling, Jan 07 2011

Status

approved