A111742 - OEIS

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A111742

Distance between k*(n-th prime) and next prime, k=10 case.

3, 1, 3, 1, 3, 1, 3, 1, 3, 3, 1, 3, 9, 1, 9, 11, 3, 3, 3, 9, 3, 7, 9, 17, 1, 3, 1, 17, 1, 21, 7, 9, 3, 9, 3, 1, 1, 7, 23, 3, 11, 1, 3, 1, 3, 3, 1, 7, 3, 3, 3, 3, 1, 11, 9, 3, 3, 1, 7, 9, 3, 9, 9, 9, 7, 11, 3, 1, 21, 1, 3, 3, 1, 3, 3, 3, 17, 19, 3, 1, 11, 1, 17, 7, 1, 11, 3, 13, 11, 7, 3, 3, 1, 9, 3, 9, 9

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OFFSET

1,1

COMMENTS

Other cases: k=1 A001223 Differences between consecutive primes, k=2 A059787, k=3 A114245, k=4 A114246, k=5 A114247, k=6 A114248, k=7 A111739, k=8 A111740, k=9 A111741.

LINKS

Table of n, a(n) for n=1..97.

EXAMPLE

a(1)=3 because prime(1)=2 and 10*2+3=23 (prime).

CROSSREFS

Cf. A001223, A059787, A114245, A114246, A114247, A114248, A111739, A111740, A111741.

Sequence in context: A334732 A266875 A307193 * A178220 A334464 A316780

Adjacent sequences: A111739 A111740 A111741 * A111743 A111744 A111745

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 18 2005

STATUS

approved