login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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
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.
CROSSREFS
Cf. A019997.
Sequence in context: A296984 A116584 A152477 * A002956 A333613 A171276
KEYWORD
nonn
AUTHOR
R. K. Guy (computed by Marc Paulhus).
STATUS
approved