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 A236042 Primes p such that 100*p+1, 100*p+3, 100*p+7, and 100*p+9 are all prime. 3
 1657, 2437, 6073, 10687, 11677, 13297, 13399, 33289, 35869, 40927, 46093, 57601, 61933, 77743, 97927, 125119, 127447, 130411, 140827, 141397, 189229, 217207, 246439, 271573, 289987, 292867, 292969, 297469, 329803 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..29. EXAMPLE 125119, 12511901, 12511903, 12511907, and 12511909 are all prime, thus 125119 is a member of this sequence. MATHEMATICA Select[Prime[Range[30000]], AllTrue[100#+{1, 3, 7, 9}, PrimeQ]&] (* Harvey P. Dale, Mar 05 2023 *) PROG (Python) import sympy from sympy import isprime {print(p) for p in range(10**6) if isprime(p) and isprime(100*p+1) and isprime(100*p+3) and isprime(100*p+7) and isprime(100*p+9)} CROSSREFS Cf. A000040, A064687. Sequence in context: A251898 A250929 A054809 * A163273 A340923 A104019 Adjacent sequences: A236039 A236040 A236041 * A236043 A236044 A236045 KEYWORD nonn AUTHOR Derek Orr, Jan 18 2014 STATUS approved

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Last modified July 23 21:46 EDT 2024. Contains 374575 sequences. (Running on oeis4.)