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A214629 Primes p such that the sum of the digits plus the product of the digits add to a prime. 2
11, 13, 19, 23, 29, 31, 37, 43, 53, 59, 61, 73, 79, 89, 97, 101, 223, 263, 283, 401, 409, 443, 601, 607, 809, 823, 829, 883, 1013, 1019, 1031, 1033, 1039, 1051, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1163, 1171, 1181, 1187, 1193, 1213, 1231, 1259 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

FORMULA

{p in A000040: A061762(p) in A000040}. - R. J. Mathar, Aug 13 2012

EXAMPLE

11 is in the sequence because A061762(11) = 3 is prime.

MATHEMATICA

f[n_] := Module[{in = IntegerDigits[n]}, Times @@ in + Plus @@ in]; Select[Prime[Range[300]], PrimeQ[f[#]] &]

CROSSREFS

Sequence in context: A101934 A164861 A040150 * A330696 A103803 A188677

Adjacent sequences:  A214626 A214627 A214628 * A214630 A214631 A214632

KEYWORD

nonn,base

AUTHOR

Vicente Izquierdo Gomez, Aug 13 2012

STATUS

approved

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Last modified July 11 20:03 EDT 2020. Contains 335652 sequences. (Running on oeis4.)