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A068950 Digital roots of A068809. 3
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 12 07:00 EST 2019. Contains 329948 sequences. (Running on oeis4.)