A086049 Position of first occurrence of n-th prime in concatenated primes (A033308, Copeland-Erdos constant).
2, 3, 4, 5, 6, 8, 10, 12, 2, 16, 9, 20, 22, 24, 26, 28, 30, 32, 34, 5, 38, 40, 42, 44, 46, 48, 51, 54, 57, 7, 63, 8, 19, 72, 75, 78, 81, 84, 33, 37, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 64, 147, 150, 153, 16, 159, 67, 18
Offset: 1
Links
- Robert Israel, Table of n, a(n) for n = 1..10000
- Eric Weisstein's World of Mathematics, Copeland-Erdos Constant
Programs
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Maple
N:= 100: # for a(1)..a(N) S:= cat(".",seq(ithprime(i),i=1..N)): seq(StringTools:-Search(convert(ithprime(i),string),S),i=1..N); # Robert Israel, Jun 28 2019
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