174718

Appears in sequences

• Number of 5 X n 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and rows and columns lexicographically nondecreasing.at n=15A229448
• Numbers k such that sigma(k) = sigma(k-1).at n=33A231546
• The smallest number such that n or more numbers k exist with k - a(n) = sopfr(k) + sopfr(a(n)), where sopfr(m) is the sum of the primes dividing m with repetition.at n=14A370352
• The smallest number such that n or more numbers k exist with k - a(n) = sopfr(k) + sopfr(a(n)), where sopfr(m) is the sum of the primes dividing m with repetition.at n=15A370352
• a(n) is the smallest number such that exactly n numbers k exist with k - a(n) = sopfr(k) + sopfr(a(n)), where sopfr(m) is the sum of the primes dividing m with repetition.at n=15A370356