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A248110
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Table read by rows: n-th row contains the q successors of n, where q = A007953(n), the digit sum of n in decimal representation.
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3
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2, 3, 4, 4, 5, 6, 5, 6, 7, 8, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 8, 9, 10, 11, 12, 13, 14, 9, 10, 11, 12, 13, 14, 15, 16, 10, 11, 12, 13, 14, 15, 16, 17, 18, 11, 12, 13, 13, 14, 15, 14, 15, 16, 17, 15, 16, 17, 18, 19, 16, 17, 18, 19, 20, 21, 17, 18, 19, 20
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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First 9 rows coincide with triangle A108872;
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LINKS
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EXAMPLE
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. ---+------------------------------------------+-----------
. 1 | 2 | 1
. 2 | 3, 4 | 2
. 3 | 4, 5, 6 | 3
. 4 | 5, 6, 7, 8 | 4
. 5 | 6, 7, 8, 9, 10 | 5
. 6 | 7, 8, 9, 10, 11, 12 | 6
. 7 | 8, 9, 10, 11, 12, 13, 14 | 7
. 8 | 9, 10, 11, 12, 13, 14, 15, 16 | 8
. 9 | 10, 11, 12, 13, 14, 15, 16, 17, 18 | 9
. 10 | 11 | 1
. 11 | 12, 13 | 2
. 12 | 13, 14, 15 | 3
. 13 | 14, 15, 16, 17 | 4
. 14 | 15, 16, 17, 18, 19 | 5
. 15 | 16, 17, 18, 19, 20, 21 | 6
. 16 | 17, 18, 19, 20, 21, 22, 23 | 7
. 17 | 18, 19, 20, 21, 22, 23, 24, 25 | 8
. 18 | 19, 20, 21, 22, 23, 24, 25, 26, 27 | 9
. 19 | 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 | 10
. 20 | 21, 22 | 2
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PROG
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(Haskell)
a248110 n k = a248110_tabf !! (n-1) !! (k-1)
a248110_row n = a248110_tabf !! (n-1)
a248110_tabf = map (\x -> [x + 1 .. x + a007953 x]) [1 ..]
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CROSSREFS
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KEYWORD
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nonn,base,tabf
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AUTHOR
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STATUS
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approved
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