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A171593
a(n) = 0+1+2+...+n in lunar arithmetic in base 6 written in base 6.
0
0, 1, 2, 3, 4, 5, 15, 15, 15, 15, 15, 15, 25, 25, 25, 25, 25, 25, 35, 35, 35, 35, 35, 35, 45, 45, 45, 45, 45, 45, 55, 55, 55, 55, 55, 55, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155
OFFSET
0,3
LINKS
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]
CROSSREFS
Sequence in context: A037340 A199165 A202423 * A227535 A096774 A201356
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Oct 02 2010
STATUS
approved