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 A282934 Concatenation of the numbers of elements of P{d_1}, P{d_2}, P{d_3}, ..., P{d_n}; where P{d_n} denote the power set of the set of divisors of n ordered by the size of the subsets, and in each subset, following the increasing order. 2
 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 2, 3, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 1, 1, 1, 2, 2, 2, 3, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS EXAMPLE Rows with power sets of set of divisors of n (without nonempty sets): {1}; {1}, {2}, {1, 2}; {1}, {3}, {1, 3}; {1}, {2}, {4}, {1, 2}, {1, 4}, {2, 4}, {1, 2, 4}; ... Rows with the numbers of elements of these subsets: 1; 1, 1, 2; 1, 1, 2; 1, 1, 1, 2, 2, 2, 3; ... Concatenation: 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 2, 3, ... MATHEMATICA Table[Length /@ Rest[Subsets[Divisors[n]]], {n, 1, 12}] // Flatten (* Jean-François Alcover, Nov 13 2017 *) CROSSREFS Cf. A282903, A282935, A282936. Sequence in context: A073203 A073204 A248641 * A273619 A034003 A168508 Adjacent sequences:  A282931 A282932 A282933 * A282935 A282936 A282937 KEYWORD nonn AUTHOR Jaroslav Krizek, Feb 25 2017 STATUS approved

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Last modified February 20 13:33 EST 2019. Contains 320327 sequences. (Running on oeis4.)