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

1,1

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Hoax Number.

Formula

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

Crossrefs

Cf. A050223, A202388.

Sequence in context: A200587 A307836 A106147 * A073321 A055620 A072420

Adjacent sequences: A202390 A202391 A202392 * A202394 A202395 A202396

Keyword

nonn,base

Author

Reinhard Zumkeller, Dec 19 2011

Status

approved