43961

Properties

Appears in sequences

• Number of n-node trees with a forbidden limb of length 5.at n=17A002991
• Denominators of continued fraction convergents to sqrt(481).at n=12A041919
• Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[2,6,4]; short d-string notation of pattern = [264].at n=36A078848
• Primes of the form (5+ a triangular number A000217).at n=34A159049
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.at n=40A270158
• Number of nX7 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=8A298574
• Primes p such that A001175(p) = (p-1)/7.at n=29A308792
• Primes p such that p+2, (p+1)||p and (p+1)||(p+2) are primes (where || denotes concatenation in base 10).at n=38A309934
• Primes of the form p*q+r*s+t*u, where p,q,r,s,t,u are consecutive primes.at n=5A340464
• Primes of the form prime(i)*prime(i+1)+prime(i+2)*prime(i+3)+...+prime(k-1)*prime(k).at n=18A340465
• Prime numbersat n=4573