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 A307730 a(n) = A307720(n) * A307720(n+1). 3
 1, 2, 2, 3, 3, 3, 6, 4, 4, 4, 4, 6, 6, 6, 6, 6, 9, 9, 9, 9, 9, 9, 9, 9, 9, 12, 8, 8, 8, 8, 8, 8, 8, 8, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 15, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 14, 14, 14, 14, 14, 14, 14 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Any integer n appears n times. LINKS Rémy Sigrist, Table of n, a(n) for n = 1..25000 Rémy Sigrist, Scatterplot of the first 10000000 terms Rémy Sigrist, PARI program for A307730 EXAMPLE The first terms in this sequence and in A307720 are:   n   a(n)  A307720(n)   --  ----  ----------    1     1           1    2     2           1    3     2           2    4     3           1    5     3           3    6     3           1    7     6           3    8     4           2    9     4           2   10     4           2 PROG (PARI) See Links section. CROSSREFS Cf. A002024, A088178, A307720. Sequence in context: A078462 A239518 A293924 * A169618 A175454 A157501 Adjacent sequences:  A307727 A307728 A307729 * A307731 A307732 A307733 KEYWORD nonn,hear AUTHOR Rémy Sigrist, Apr 25 2019 STATUS approved

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Last modified July 24 01:41 EDT 2021. Contains 346269 sequences. (Running on oeis4.)