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A247475 Numbers formed by concatenating two successive primes and their product. 1
236, 3515, 5735, 71177, 1113143, 1317221, 1719323, 1923437, 2329667, 2931899, 31371147, 37411517, 41431763, 43472021, 47532491, 53593127, 59613599, 61674087, 67714757, 71735183, 73795767, 79836557, 83897387 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
For n=1 the successive primes are 2 and 3, so the number formed is 236.
MATHEMATICA
a247475[n_Integer] := Module[{p}, p := Prime /@ List[n, n + 1];
FromDigits@Flatten@Join[IntegerDigits[p], IntegerDigits[Times @@ p]]]; a247475/@Range[120] (* Michael De Vlieger, Dec 01 2014 *)
CROSSREFS
Sequence in context: A233983 A251491 A251484 * A233166 A138820 A218649
KEYWORD
nonn,base
AUTHOR
Jennifer Jin, Nov 30 2014
STATUS
approved

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Last modified February 25 05:14 EST 2024. Contains 370310 sequences. (Running on oeis4.)