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A186523 In lunar arithmetic in base 3, this is the number of lunar divisors of the number 111...1 (with n 1's). 0
2, 6, 14, 34, 82, 206, 526, 1378, 3674, 9950, 27278, 75514, 210634, 591054, 1666406, 4716186, 13389434, 38113462, 108737894, 310851770, 890244546, 2553782246, 7337143110, 21110531858, 60823037522, 175471424214, 506862346750, 1465875933394, 4244315841666, 12302751068958, 35699515448510, 103697897085458, 301514033677482, 877521633678990 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
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
Cf. A079500 (the base 2 analog).
Sequence in context: A018016 A182644 A099425 * A177790 A307068 A269506
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Feb 24 2011
STATUS
approved

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Last modified March 28 08:02 EDT 2024. Contains 371236 sequences. (Running on oeis4.)