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A185546 a(n) = floor((1/2)*(n+1)^(3/2)); complement of A185547. 2
1, 2, 4, 5, 7, 9, 11, 13, 15, 18, 20, 23, 26, 29, 32, 35, 38, 41, 44, 48, 51, 55, 58, 62, 66, 70, 74, 78, 82, 86, 90, 94, 99, 103, 108, 112, 117, 121, 126, 131, 136, 140, 145, 150, 155, 161, 166, 171, 176, 182, 187, 192, 198, 203, 209, 215, 220, 226, 232, 238, 244, 250 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

FORMULA

a(n) = floor((1/2)*(n+1)^(3/2)).

MATHEMATICA

f[n_] = Floor[(1/2)*(n+1)^(3/2)];

t1=Table[f[n], {n, 1, 90}]; t1   (* A185546 *)

t2=Complement[Range[200], Table[f[n], {n, 1, 80}]]; t2  (* 185547 *)

PROG

(PARI) for(n=1, 50, print1(floor((1/2)*(n+1)^(3/2)), ", ")) \\ G. C. Greubel, Jul 07 2017

CROSSREFS

Cf. A185547.

Sequence in context: A295556 A047893 A125552 * A066026 A112671 A234369

Adjacent sequences:  A185543 A185544 A185545 * A185547 A185548 A185549

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 30 2011

STATUS

approved

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Last modified January 20 08:54 EST 2022. Contains 350471 sequences. (Running on oeis4.)