OFFSET
1,2
LINKS
Reinhard Zumkeller, Rows n = 1..1000 of triangle, flattened
EXAMPLE
. n | T(n,*) | A027746(n,*)
. ----+----------------+----------------
. 1 | 1 | 1
. 2 | 2 | 2
. 3 | 3 | 3
. 4 | 2, 4 | 2, 2
. 5 | 5 | 5
. 6 | 2, 6 | 2, 3
. 7 | 7 | 7
. 8 | 2, 4, 8 | 2, 2, 2
. 9 | 3, 9 | 3, 3
. 10 | 2, 10 | 2, 5
. 11 | 11 | 11
. 12 | 2, 4, 12 | 2, 2, 3
. 13 | 13 | 13
. 14 | 2, 14 | 2, 7
. 15 | 3, 15 | 3, 5
. 16 | 2, 4, 8, 16 | 2, 2, 2, 2
. 17 | 17 | 17
. 18 | 2, 6, 18 | 2, 3, 3
. 19 | 19 | 19
. 20 | 2, 4, 20 | 2, 2, 5
MATHEMATICA
Table[FoldList[Times, Flatten[FactorInteger[n] /. {p_, e_} /; e > 0 :> ConstantArray[p, e]]], {n, 37}] // Flatten (* Michael De Vlieger, Apr 28 2017 *)
PROG
(Haskell)
a265110 n k = a265110_tabf !! (n-1) !! (k-1)
a265110_row n = a265110_tabf !! (n-1)
a265110_tabf = map (scanl1 (*)) a027746_tabf
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Reinhard Zumkeller, Dec 01 2015
STATUS
approved