255153

Appears in sequences

• Third left hand column of triangle A163940.at n=36A163943
• Odd numbers n divisible by 3 such that for all k >= 1 the numbers n*2^k + 1 and n*2^(k+1) + 1 do not form a pair of primes.at n=18A243857
• -a(n)/7! is the coefficient of x^7 in the Taylor expansion of the k-th iteration of sin(x).at n=17A366827