OFFSET
1,1
COMMENTS
Necessarily for p > 3: p = 6 * m + 5, as for q = 6*m+1 sod(2//q//3) is a multiple of 3
REFERENCES
E. I. Ignatjew, Mathematische Spielereien, Urania Verlag Leipzig/Jena/Berlin 1982
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
EXAMPLE
223 = prime(48), 2 = prime(1) is first term
233 = prime(51), 3 = prime(2) is 2nd term
2//05//3 = 2053 = prime(310), a "leading" zero is included, no term of sequence
2113 = prime(319), 11 = prime(5) is 3rd term
MAPLE
filter:= p -> isprime(p) and isprime(10*p+3+2*10^(2+ilog10(p))):
select(filter, [2, 3, seq(i, i=5..2000, 6)]); # Robert Israel, Nov 29 2017
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Eva-Maria Zschorn (e-m.zschorn(AT)zaschendorf.km3.de), Apr 15 2010
STATUS
approved