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A072573 Odd interprimes not divisible by 3. 11
205, 217, 473, 515, 625, 667, 803, 1003, 1207, 1243, 1313, 1465, 1505, 1517, 1537, 1681, 1715, 1795, 1817, 1895, 2075, 2105, 2191, 2303, 2405, 2453, 2585, 2627, 2783, 2933, 3055, 3073, 3175, 3197, 3265, 3337, 3353, 3505, 3565, 3665, 3937, 3995, 4085 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..43.

MATHEMATICA

a = Table[ Prime[n], {n, 2, 600}]; b = {}; Do[d = (a[[n + 1]] - a[[n]])/2; If[ OddQ[ a[[n]] + d] && Mod[d, 3] == 0, b = Append[b, a[[n]] + d]], {n, 1, 598}]; b

CROSSREFS

Cf. A072569, A072572, A024675.

Sequence in context: A194192 A263505 A270605 * A249052 A116177 A191834

Adjacent sequences:  A072570 A072571 A072572 * A072574 A072575 A072576

KEYWORD

nonn

AUTHOR

Marco Matosic, Jun 25 2002

EXTENSIONS

Edited by N. J. A. Sloane and Robert G. Wilson v, Jun 27 2002

STATUS

approved

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Last modified October 18 22:17 EDT 2019. Contains 328211 sequences. (Running on oeis4.)