A202393 Digital root of Hoax Numbers A019506.

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

Offset: 1

Author

Reinhard Zumkeller, Dec 19 2011

Keywords

• nonn
• base

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
• Eric Weisstein's World of Mathematics, Hoax Number.

Crossrefs

Cf. A050223, A202388.

Formula

a(n) = A010888(A019506(n)).