148151

Properties

Appears in sequences

• Primes that are concatenations of n with n + 3.at n=18A032626
• phi(s(n^3)) is a square, where s(n) is sigma(n)-n (A001065).at n=31A063798
• Number of nondecreasing integer sequences of length 30 with sum zero and sum of absolute values 2n.at n=17A158164
• Primes p such that p = the cumulative sum of the digit-sum in base 15 of the digit-product in base 4 of each prime < p.at n=11A242589
• Number of unitary polyominoes without holes with n cells. A unitary polyomino is a polyomino whose edges all have length 1.at n=38A245660
• Prime numbersat n=13685