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 A259622 Primeth recurrence: a(n) = (a(n-1)+a(n-2))-th prime, with a(0)=0, a(1)=1 1
 0, 1, 2, 5, 17, 79, 503, 4243, 45823, 612809, 9903031, 189244327, 4203344543, 106963067069, 3081230793857, 99460155441599, 3566360917197283, 140987300677114811, 6104597616658111069, 287835273618906460259 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..19. MATHEMATICA RecurrenceTable[{a[n] == Prime[a[n - 1] + a[n - 2]], a[0] == 0, a[1] == 1}, a, {n, 0, 14}] (* Michael De Vlieger, Jul 01 2015 *) PROG (PARI) a(n)=if(n<3, n, prime(a(n-1)+a(n-2))) \\ Charles R Greathouse IV, Jul 13 2015 (PARI) main(size)={my(v=vector(size), i); v[1]=0; v[2]=1; for(i=3, size, v[i]=prime(v[i-1]+v[i-2])); return(v); } /* Anders Hellström, Jul 13 2015 */ (Perl) use bignum; use Math::Prime::Util ':all'; \$|=1; my \$a=0, \$b=1; while(1){ (\$a, \$b)=(\$b, nth_prime(\$a+\$b)); print("\$b, ") } # Charles R Greathouse IV, Jul 13 2015 CROSSREFS Sequence in context: A302194 A289739 A243337 * A054499 A001186 A125282 Adjacent sequences: A259619 A259620 A259621 * A259623 A259624 A259625 KEYWORD nonn AUTHOR Christopher Halverson, Jul 01 2015 EXTENSIONS a(7)-a(14) from Michael De Vlieger, Jul 01 2015 a(15)-a(18) from Charles R Greathouse IV, Jul 13 2015 a(19) from Charles R Greathouse IV, Jul 14 2015 STATUS approved

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Last modified February 25 04:28 EST 2024. Contains 370309 sequences. (Running on oeis4.)