45171

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 27 ones.at n=25A031795
• Numbers k such that 163*2^k-1 is a prime.at n=6A050833
• Number of primes with number of 1-bits equal to one plus number 0-bits (A095073) in range ]2^2n,2^(2n+1)].at n=10A095053
• Number of walks within N^2 (the first quadrant of Z^2) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, -1), (1, 1)}.at n=11A151350
• Negabinary Keith numbers.at n=22A188381
• Number of partitions p of n such that (number of even numbers in p) >= (number of odd numbers in p).at n=45A241639
• Numbers that are the sum of seven fourth powers in nine or more ways.at n=23A345575
• Numbers that are the sum of seven fourth powers in exactly nine ways.at n=21A345831