A051897 Values of n such that 90n+11, 90n+13, 90n+17, 90n+19 are all primes.

0, 1, 2, 9, 23, 36, 210, 281, 387, 772, 919, 1087, 1505, 1841, 2165, 2415, 2667, 2751, 2865, 2963, 3067, 3270, 3788, 3936, 4417, 4468, 4475, 4578, 4656, 4676, 4747, 4937, 5028, 5194, 5223, 5300, 5558, 5964, 6260, 6510, 6609, 7023, 7042, 7373, 7385, 7835

Offset

1,3

References

A. Murthy, Some new Smarandache sequences, functions and partitions, Smarandache Notions Journal Vol. 11 N. 1-2-3 Spring 2000

Links

Table of n, a(n) for n=1..46.

Prog

(PARI) is(n) = isprime(90*n+11) && isprime(90*n+13) && isprime(90*n+17) && isprime(90*n+19); \\ Michel Marcus, Sep 28 2013

Crossrefs

Sequence in context: A032149 A032054 A027702 * A209294 A294870 A032636

Adjacent sequences: A051894 A051895 A051896 * A051898 A051899 A051900

Keyword

easy,nonn

Author

Felice Russo, Dec 17 1999

Status

approved