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A183296 Complement of A005476. 0
1, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85 (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.)

MATHEMATICA

  a=5/2; 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}]

CROSSREFS

Cf. A005476.

Sequence in context: A293727 A077528 A329254 * A138928 A116587 A057903

Adjacent sequences:  A183293 A183294 A183295 * A183297 A183298 A183299

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 03 2011

STATUS

approved

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Last modified September 27 20:56 EDT 2021. Contains 347694 sequences. (Running on oeis4.)