117094

Appears in sequences

• a(n) = T(n,n), T given by A026584. Also a(n) is the number of integer strings s(0), ..., s(n) counted by T, such that s(n)=0.at n=15A026585
• Expansion of g.f.: -1/(-1 + x + x^4 - x^10 + x^13 + x^14).at n=39A174578
• Numbers n such that phi(n) divides Sum_{k=1..n} phi(k).at n=49A194855
• Number of maximal sets of pairs (t,d) where 2 <= t <= n, d is a proper divisor of t, no t is repeated, and no d is repeated.at n=24A368349