105601

Properties

Appears in sequences

• Quartan primes: primes of the form x^4 + y^4, x > 0, y > 0.at n=33A002645
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 25.at n=25A031613
• Primes p such that p, p+6, p+12, p+18 are consecutive primes and p = 6*k+1 for some k.at n=19A090837
• Primes of the form x^4 + y^4 with x^2 + y^2 and x+y also prime.at n=15A100268
• Primes arising in A099678.at n=14A100502
• Prime numbers p such that p +- ((p-1)/8) are primes.at n=30A137771
• 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, 0), (-1, 1, -1), (1, -1, 1), (1, 1, -1), (1, 1, 1)}.at n=9A149648
• Emirps (A006567) whose difference with the reversal is a perfect square.at n=7A217386
• Numbers k such that k*(k+1) divides tribonacci(k) (A000073(k)).at n=21A299156
• Primes of the form prime(i)*prime(i+1)+2*prime(i+2).at n=13A341550
• First occurrence of difference n between two consecutive terms of A000404. a(n) gives the upper term. The lower term is A355237.at n=28A355238
• Least n-digit reversible prime whose difference from its reversal is minimal.at n=5A374350
• Prime numbersat n=10074