210427

Appears in sequences

• a(n) = 12167*n - 8579.at n=17A156845
• a(0)=0, a(1)=a(2)=a(3)=a(4)=1; thereafter, a(n) = Sum_{k=1..5} a(n-k-(a(n-k) mod 5)).at n=34A259615