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From George Gilbert's marks problem: jumping 7 marks at a time (final positions).
1

%I #9 Jun 15 2014 16:39:34

%S 2,4,7,14,87,110,178,1551,2311,2820,2862,5158,9267,15867,25023,34363,

%T 68486,2570490,4313372,21511363,22412883,54933234,66947210,341535842,

%U 995434171,1491645143,4258696422,26212684635,28500533228

%N From George Gilbert's marks problem: jumping 7 marks at a time (final positions).

%D 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.

%Y Cf. A019997.

%K nonn

%O 0,1

%A _R. K. Guy_ (computed by _Marc Paulhus_).