25717

Properties

Appears in sequences

• a(1) = 2; a(n) is smallest prime > 2*a(n-1).at n=13A055496
• Primes p for which the period of reciprocal 1/p is (p-1)/12.at n=32A056217
• Numbers which are primes and which remain prime for three successive applications of incrementing each digit by 2 with carries ignored.at n=27A088787
• Primes p such that (p + nextprime + p) and also (p + previousprime + p) are primes.at n=40A125146
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (1, -1, -1), (1, 1, -1), (1, 1, 0)}.at n=9A148891
• First differences of A080735.at n=79A163963
• Primes p such that 2p + 3, 4p + 9, 3p + 2 and 9p + 8 are also primes.at n=16A176619
• Primes dividing nonzero terms in A003095: the iterates of x^2 + 1 starting at 0.at n=50A247981
• Non-palindromic balanced primes in base 16.at n=29A256090
• a(0) = 2; for n>0, a(n) = smallest prime p such that p > a(n-1) and p is congruent to n modulo prime(n).at n=46A261192
• Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.at n=5A298214
• Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.at n=5A298219
• Number of integer partitions of n with at least one pair of consecutive divisible parts.at n=38A328221
• Discriminants of totally real cubic fields in which every norm-positive unit is totally positive.at n=1A329769
• Prime numbersat n=2832