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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

Table of n, a(n) for n=1..29.

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.)