A051314 Euclid-Mullin sequence (A000945) with initial value a(1)=29 instead of a(1)=2.

29, 2, 59, 3, 10267, 7, 5, 3689035771, 19, 396029, 489851, 2971, 179, 13, 4441009, 419, 79, 53, 3109, 538004633, 138285071, 241, 263, 443, 11, 17, 951837583454247922680798591029699, 739, 43, 181, 131, 3257, 31, 2237

Offset

1,1

Links

Tyler Busby, Table of n, a(n) for n = 1..56 (terms 1..46 from Robert Price)

Mathematica

a[1]=29; a[n_] := First[ Flatten[ FactorInteger[ 1+Product[ a[ j ], {j, 1, n-1} ] ] ] ]; Array[a, 10]

Prog

(PARI) spf(n)=factor(n)[1, 1]
first(m)=my(v=vector(m)); v[1]=29; for(i=2, m, v[i]=spf(1+prod(j=1, i-1, v[j]))); v; \\ Anders Hellström, Nov 21 2015

Crossrefs

Cf. A000945, A000946, A005265, A005266.

Sequence in context: A040839 A107810 A040840 * A040827 A040826 A040828

Adjacent sequences: A051311 A051312 A051313 * A051315 A051316 A051317

Keyword

nonn

Author

Labos Elemer

Status

approved