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A019998 From George Gilbert's marks problem: jumping 7 marks at a time (final positions). 1
2, 4, 7, 14, 87, 110, 178, 1551, 2311, 2820, 2862, 5158, 9267, 15867, 25023, 34363, 68486, 2570490, 4313372, 21511363, 22412883, 54933234, 66947210, 341535842, 995434171, 1491645143, 4258696422, 26212684635, 28500533228 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

G. T. Gilbert, M. I. Krusemeyer and L. C Larson, The Wohascum Problem Book, Math. Assoc of America, 1993, Problem 103, p. 25; Solution, pp. 163-164.

LINKS

Table of n, a(n) for n=0..28.

CROSSREFS

Cf. A019997.

Sequence in context: A296984 A116584 A152477 * A002956 A333613 A171276

Adjacent sequences:  A019995 A019996 A019997 * A019999 A020000 A020001

KEYWORD

nonn

AUTHOR

R. K. Guy (computed by Marc Paulhus).

STATUS

approved

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Last modified December 3 05:29 EST 2020. Contains 338899 sequences. (Running on oeis4.)