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 A058190 Number of increasing geometric progressions ending in n (in the positive integers), excluding those of length 1 or 2. 1
 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 0, 1, 0, 0, 0, 5, 0, 2, 0, 1, 0, 0, 0, 2, 4, 0, 4, 1, 0, 0, 0, 6, 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 1, 2, 0, 0, 5, 6, 4, 0, 1, 0, 4, 0, 2, 0, 0, 0, 1, 0, 0, 2, 13, 0, 0, 0, 1, 0, 0, 0, 6, 0, 0, 4, 1, 0, 0, 0, 5, 12, 0, 0, 1, 0, 0, 0, 2, 0, 2, 0, 1, 0, 0, 0, 6, 0, 6, 2, 9, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 LINKS FORMULA a(n) =A058189(n)-n EXAMPLE a(16)=5 since the possibilities are (1,4,16), (1,2,4,8,16), (2,4,8,16), (4,8,16), (9,12,16). CROSSREFS Sequence in context: A125096 A037862 A032337 * A055736 A006997 A141612 Adjacent sequences:  A058187 A058188 A058189 * A058191 A058192 A058193 KEYWORD nonn AUTHOR Henry Bottomley, Nov 22 2000 STATUS approved

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