51263

Properties

Appears in sequences

• Number of symmetric n X 4 crossword puzzle grids.at n=9A034186
• Denominators of continued fraction convergents to sqrt(633).at n=11A042215
• Beginning at the well for the topograph of a positive definite quadratic form with values 1, 1, 1 at a superbase (i.e., 1, 1 and 1 are the vonorms of the superbase), these numbers indicate the labels of the edges of the topograph on a path of greatest ascent.at n=11A061647
• Primes p such that A001175(p) = 2*(p+1)/9.at n=38A308786
• Numbers k such that (22^k - 3^k)/19 is prime.at n=6A381338
• Prime numbersat n=5246