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A087822 Sequence of j such that P=(j*P(i)#)/2 - 2 and P+4 are consecutive primes, where j is odd, 0 < j < P(i+1) and P(i) denotes i-th prime. 2
3, 1, 3, 1, 3, 3, 1, 13, 15, 3, 17, 27, 3, 1, 27, 19, 23, 35, 13, 45, 57, 41, 85, 43, 89, 35, 33, 37, 123, 109, 159, 161, 137, 49, 299, 67, 229, 163, 269 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..38.

CROSSREFS

Cf. A087820, A087821.

Cf. A002110 (P# = primorials).

Sequence in context: A319992 A255894 A135023 * A163378 A025810 A001319

Adjacent sequences:  A087819 A087820 A087821 * A087823 A087824 A087825

KEYWORD

nonn,more

AUTHOR

Pierre CAMI, Oct 06 2003

EXTENSIONS

Edited by Ray Chandler, Oct 19 2003

STATUS

approved

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Last modified August 4 20:00 EDT 2020. Contains 336202 sequences. (Running on oeis4.)