51777

Appears in sequences

• Indices of primes in sequence defined by A(0) = 77, A(n) = 10*A(n-1) - 43 for n > 0.at n=10A056257
• a(n) = A007318 * [1, 6, 14, 9, 0, 0, 0, ...].at n=32A143690
• Odd numbers n containing 16384 as the highest power of 2 in the Collatz (3x+1) iteration.at n=4A247715
• 100-gonal numbers: a(n) = 98*n*(n-1)/2 + n.at n=33A261276
• Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=12A298708