

A173233


Numbers k such that k and k+3 are in A002822.


2



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, 3007, 3087, 3682, 3770, 3840, 3945, 4447, 4452, 4477, 5142, 5555, 5600, 5625, 5635, 6262, 6442, 7520, 8232
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..47.


EXAMPLE

2 is a term because 2 and 5 are in A002822.


MAPLE

isA002822 := proc(n) isprime(6*n1) 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, A173232.
Sequence in context: A037417 A042913 A041805 * A074416 A325577 A097924
Adjacent sequences: A173230 A173231 A173232 * A173234 A173235 A173236


KEYWORD

nonn


AUTHOR

JuriStepan Gerasimov, Feb 13 2010


EXTENSIONS

Definition and sequence corrected (667, 707, 1097 etc inserted) by R. J. Mathar, May 02 2010
More terms from Jinyuan Wang, May 15 2020


STATUS

approved



