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%I #4 Mar 24 2014 17:34:58
%S 1,1,1,2,4,8,16,32,64,127,252,501,997,1982,3940,7832,15575,30972,
%T 61590,122481,243567,484363,963221,1915501,3809243,7575217,15064391,
%U 29957679,59575090,118473530,235601447,468526933,931732343,1852882096,3684719208,7327587468
%N Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-10,...,10}.
%H Alois P. Heinz, <a href="/A239560/b239560.txt">Table of n, a(n) for n = 0..1000</a>
%Y Column k=10 of A239550.
%K nonn
%O 0,4
%A _Alois P. Heinz_, Mar 21 2014
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