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A099355 From P-positions in a certain game. 3
0, 4, 10, 14, 21, 25, 27, 31, 33, 38, 44, 48, 55, 59, 61, 65, 67, 71, 74, 78, 84, 89, 92, 96, 102, 107, 110, 114, 120, 124, 131, 135, 137, 141, 143, 148, 154, 158, 165, 169, 171, 175, 177, 181, 184, 188, 194, 199, 202, 206, 212, 217, 220, 224, 230, 235, 237 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 0..10000

A. S. Fraenkel, New games related to old and new sequences, INTEGERS, Electronic J. of Combinatorial Number Theory, Vol. 4, Paper G6, 2004.

FORMULA

See A099354.

MAPLE

a:=proc(n) option remember: local j, t: if(n=0)then return 0: else t:=a(n-1)+1: for j from 0 to n-1 do if(t=b(j))then return t+1: elif(t<b(j))then break: fi: od: return t: fi: end:

b:=proc(n) option remember: if(n=0)then return 0: else return b(n-1) - a(n-1) + a(n) + (-1)^b(n-1) - (-1)^a(n-1) + 3: fi: end:

seq(b(n), n=0..70); # Nathaniel Johnston, Apr 28 2011

CROSSREFS

Sequence in context: A114335 A302087 A329103 * A161366 A310424 A176551

Adjacent sequences:  A099352 A099353 A099354 * A099356 A099357 A099358

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 16 2004

STATUS

approved

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Last modified October 22 02:52 EDT 2020. Contains 337950 sequences. (Running on oeis4.)