A333724 Largest digit that is shared in A333722 by the pair a(n), a(n+1) and the product a(n) * a(n+1).

1, 1, 1, 2, 2, 1, 5, 5, 2, 2, 2, 2, 2, 6, 6, 6, 3, 3, 3, 4, 1, 3, 3, 3, 2, 7, 7, 7, 9, 6, 5, 5, 3, 8, 8, 8, 8, 1, 7, 4, 4, 4, 4, 4, 4, 0, 0, 0, 5, 5, 5, 5, 5, 5, 5, 4, 9, 1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 8, 5, 5, 5, 8, 3, 3, 3, 3, 2, 2, 9, 8, 0, 0, 9, 9, 9, 9, 9, 5, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 6, 8, 7, 7, 7, 7, 7, 8

Offset: 1

Author

Eric Angelini and Jean-Marc Falcoz, Apr 03 2020

Keywords

• base
• nonn

Examples

			a(10) = 2, as 2 is the largest digit shared by A333722(10) = 29, A333722(11) = 28 and by the product 29 * 28 = 812 = A333724(10).
		

Links

• Jean-Marc Falcoz, Table of n, a(n) for n = 1..2210

Crossrefs

Cf. A333722, A333723 (the products).