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

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

%S 1,2,3,4,5,8,10,17,25,88,102,108,148,194,205,548,640,746,2135,3658,

%T 5689,12200,16992,17460,38961,44699,85493,138435,256776,810597,932623,

%U 2457564,2674604,2890162,3618191,3950533,4103765,4233447

%N From George Gilbert's marks problem: jumping 7 marks at a time (initial 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. A019998.

%K nonn

%O 0,2

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