49679

Appears in sequences

• Expansion of g.f. 1/((1-x)*(1-6*x)*(1-7*x)*(1-9*x)).at n=4A023950
• Numbers k such that 2^(k+1) == 1 (mod k).at n=32A187787
• Number of permutations of [n] avoiding {1234, 1324, 2341}.at n=10A294823
• Number of subsets of {1..n} whose elements have the same number of prime factors, counted with multiplicity.at n=44A339511