116041

Properties

Appears in sequences

• 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 32.at n=12A031620
• Prime numbers p such that pi(p) + 2*p is a square.at n=29A104783
• Numerator of Sum[ Prime[k]^2, {k,1,n}] / Product[ Prime[k], {k,1,n}] = Numerator[ A024450[n] / A002110[n] ].at n=39A122136
• Primes from A122136 corresponding to the indices A122138.at n=21A122139
• Primes p such that p,q,r,s are consecutive primes and 2p+9, 2q+9, 2r+9, 2s+9 are also primes.at n=24A190354
• A reversed prime Fibonacci sequence: a(n+2) is the smallest odd prime such that a(n) is the smallest odd prime divisor of a(n+1)+a(n+2).at n=18A255562
• Expansion of (1+11*x+24*x^2+11*x^3+x^4)/(1-x)^5.at n=15A294433
• Numerator of the contraharmonic mean of the first n primes.at n=39A296199
• Prime numbersat n=10967