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 A166643 Totally multiplicative sequence with a(p) = 3*(p+1) for prime p. 0
 1, 9, 12, 81, 18, 108, 24, 729, 144, 162, 36, 972, 42, 216, 216, 6561, 54, 1296, 60, 1458, 288, 324, 72, 8748, 324, 378, 1728, 1944, 90, 1944, 96, 59049, 432, 486, 432, 11664, 114, 540, 504, 13122, 126, 2592, 132, 2916, 2592, 648, 144, 78732, 576, 2916 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA Multiplicative with a(p^e) = (3*(p+1))^e. If n = Product p(k)^e(k) then a(n) = Product (3*(p(k)+1)^e(k). a(n) = A165824(n) * A003959(n) = 3^bigomega(n) * A003959(n) = 3^A001222(n) * A003959(n). CROSSREFS Sequence in context: A072308 A045769 A140145 * A038302 A188001 A050236 Adjacent sequences:  A166640 A166641 A166642 * A166644 A166645 A166646 KEYWORD nonn,mult AUTHOR Jaroslav Krizek, Oct 18 2009 STATUS approved

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Last modified June 19 10:33 EDT 2013. Contains 226401 sequences.