40352

Appears in sequences

• Reversion of Ramanujan numbers.at n=3A006147
• Convoluted convolved Fibonacci numbers G_6^(r).at n=39A089111
• Solution of the complementary equation a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4) + b(n-4), where a(0) = 1, a(1) = 2, a(2) = 3, a(3) = 4, b(0) = 5, b(1) = 6, b(2) = 7, b(3) = 8, and (a(n)) and (b(n)) are increasing complementary sequences.at n=18A295620
• a(n) = Sum_{d|n} phi(d)*(n/d)! for n > 0, a(0) = 0.at n=8A327030
• a(n) = Sum_{k=1..n} floor(n/k)!.at n=7A355986