514221

Appears in sequences

• a(n) = number of 9-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..80].at n=37A178884
• a(n) = Fibonacci(n+6) - Fibonacci(6).at n=23A180671
• Number of 2Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.at n=11A297608