%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_).