A068950 Digital roots of A068809.

1, 4, 9, 4, 7, 1, 4, 9, 4, 7, 9, 4, 7, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4, 7, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4, 7, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4, 7, 1, 4, 7, 1, 4, 7, 9, 4, 9, 1, 4, 7, 9, 1, 4, 9, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4, 7, 9, 1, 4

Offset

1,2

Links

Table of n, a(n) for n=1..80.

Example

a(4)=4 since A068809(4)=49 and so 4+9=13 and 1+3=4.

Crossrefs

Cf. A068809, A068949.

Sequence in context: A197582 A086277 A271948 * A021673 A224299 A141653

Adjacent sequences: A068947 A068948 A068949 * A068951 A068952 A068953

Keyword

more,nonn,base

Author

Francois Jooste (phukraut(AT)hotmail.com), Mar 15 2002

Extensions

a(43)-a(80) from Giovanni Resta, Jun 27 2018

Status

approved