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%I #16 Dec 07 2015 01:49:07
%S 89,2,179,3,61,13,53,5,20086919971,14911308271,
%T 6016479583547124128827234315771,9697,23,31,17,4229,7937,22739,7043,
%U 11,163,19,41,227399,73,4441,1907,7,2647566144823,47,337,211,1171,404489,676721,71,653,4703,29,587,199,37537,167,6893009
%N Euclid-Mullin sequence (A000945) with initial value a(1)=89 instead of a(1)=2.
%t a[1]=89; a[n_] := First[ Flatten[ FactorInteger[ 1+Product[ a[ j ], {j, 1, n-1} ] ] ] ]; Array[a, 10]
%o (PARI) spf(n)=my(f=factor(n)[1, 1]); f
%o first(m)=my(v=vector(m)); v[1]=89; for(i=2, m, v[i]=spf(1+prod(j=1, i-1, v[j]))); v \\ _Anders Hellström_, Dec 06 2015
%Y Cf. A000945, A000946, A005265, A005266.
%K easy,nonn
%O 1,1
%A _Labos Elemer_
%E a(35)-a(44) from _Robert Price_, Jul 09 2015