204795

Appears in sequences

• Convoluted convolved Fibonacci numbers G_7^(r).at n=34A089113
• Sign twisted convoluted convolved Fibonacci numbers H_7^(r).at n=34A089114
• a(n) is the smallest k > 0 such that the first n multiples of k have the same sum of digits, but (n+1)k has a different one. a(n)=0 if no such k exists.at n=23A238088