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 A173233 Numbers k such that k and k+3 are in A002822. 1
 2, 7, 30, 100, 107, 135, 172, 217, 322, 352, 452, 562, 590, 667, 707, 917, 940, 975, 1092, 1127, 1222, 1470, 1570, 1950, 2282, 2545, 2772, 2865, 2930 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 2 is a term because 2 and 5 are in A002822. MAPLE isA002822 := proc(n) isprime(6*n-1) and isprime(6*n+1) ; end proc: isA173233 := proc(n) isA002822( n ) and isA002822(n+3 ) ; end proc: for n from 1 to 3000 do if isA173233(n) then printf("%d, ", n) ; end if; end do: # R. J. Mathar, May 02 2010 CROSSREFS Cf. A002822. Sequence in context: A037417 A042913 A041805 * A074416 A097924 A027136 Adjacent sequences:  A173230 A173231 A173232 * A173234 A173235 A173236 KEYWORD nonn,more AUTHOR Juri-Stepan Gerasimov, Feb 13 2010 EXTENSIONS Definition corrected, sequence corrected (667, 707, 1097 etc inserted), Maple program added by R. J. Mathar, May 02 2010 STATUS approved

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Last modified May 21 08:53 EDT 2019. Contains 323441 sequences. (Running on oeis4.)