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A191675 Euler totient function in base 10 lunar arithmetic. 1
1, 1, 1, 1, 1, 1, 1, 1, 9, 18, 2, 18, 18, 18, 18, 18, 18, 18, 90, 18, 18, 4, 18, 18, 18, 18, 18, 18, 90, 18, 18, 18, 6, 18, 18, 18, 18, 18, 90, 18, 18, 18, 18, 8, 18, 18, 18, 18, 90, 18, 18, 18, 18, 18, 10, 18, 18, 18, 90, 18, 18, 18, 18, 18, 18, 12, 18, 18, 90, 18, 18, 18, 18, 18, 18, 18, 14, 18, 90, 18, 18, 18, 18, 18, 18, 18, 18, 16, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,9

LINKS

Table of n, a(n) for n=1..99.

D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]

D. Applegate, M. LeBrun, N. J. A. Sloane, Dismal Arithmetic, J. Int. Seq. 14 (2011) # 11.9.8.

Index entries for sequences related to dismal (or lunar) arithmetic

CROSSREFS

Cf. A191674.

Sequence in context: A141444 A061748 A159510 * A023418 A069528 A109050

Adjacent sequences:  A191672 A191673 A191674 * A191676 A191677 A191678

KEYWORD

nonn,base,changed

AUTHOR

N. J. A. Sloane, Jun 10 2011

STATUS

approved

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Last modified September 22 14:54 EDT 2017. Contains 292344 sequences.