%I #20 Mar 03 2022 17:05:42
%S 1,1,2,3,5,9,14,25,41,76,128,229,389,710,1238,2258,3986,7211,13000,
%T 23609,42839,78271,142924,262541,481347,887753,1637365,3027681,
%U 5604228,10397802
%N The number of nonnegative integers that have a shortest divisor addition chain of length n.
%C The number of occurrences of n in A117497.
%p A352079 := proc(n)
%p a := 0 ;
%p for c from 1 to 2^n do
%p if A117497(c) = n then
%p a := a+1 ;
%p end if;
%p end do:
%p end proc:
%p for n from 0 do
%p printf("%d\n",A352079(n)) ;
%p end do:
%Y Cf. A117497.
%K nonn,more
%O 0,3
%A _R. J. Mathar_, Mar 02 2022
%E a(24)-a(29) from _Chai Wah Wu_, Mar 03 2022