155933

Appears in sequences

• Quasi-Carmichael numbers to base 8: squarefree composites n such that (n,2*3*5*7) = 1 and prime p|n ==> p-8|n-8.at n=6A029555
• Structured disdyakis dodecahedral numbers (vertex structure 9).at n=28A100161
• Odd heptagonal pyramidal numbers.at n=14A218324
• Composite squarefree numbers n such that p-d(n) divides n-d(n), where p are the prime factors of n and d(n) the number of divisors of n.at n=31A228300
• Expansion of Product_{k>=1} (1 + x^(3*k))^(3*k) / (1 + x^k)^k.at n=45A285294