OFFSET
1,3
COMMENTS
Sorted rows of triangle A051129.
LINKS
Reinhard Zumkeller, Rows n = 1..125 of triangle, flattened
EXAMPLE
. 1 | 1 | 1^1
. 2 | 1 2 | 1^2 2^1
. 3 | 1 3 4 | 1^3 3^1 2^2
. 4 | 1 4 8 9 | 1^4 4^1 2^3 3^2
. 5 | 1 5 16 16 27 | 1^5 5^1 2^4 4^2 3^3
. 6 | 1 6 25 32 64 81 | 1^6 6^1 5^2 2^5 4^3 3^4
. 7 | 1 7 36 64 125 243 256 | 1^7 7^1 6^2 2^6 5^3 3^5 4^4
. 8 | 1 8 49 128 216 625 729 1024 | 1^8 8^1 7^2 2^7 6^3 5^4 3^6 4^5 .
MATHEMATICA
Table[Table[k^(n-k+1), {k, 1, n}] // Sort, {n, 1, 11}] // Flatten (* Jean-François Alcover, Nov 18 2019 *)
PROG
(Haskell)
import Data.List (sort)
a247358 n k = a247358_tabl !! (n-1) !! (k-1)
a247358_row n = a247358_tabl !! (n-1)
a247358_tabl = map sort a051129_tabl
(Python)
from itertools import chain
A247358_list = list(chain.from_iterable(sorted((b+1)**(n-b) for b in range(n)) for n in range(1, 8))) # Chai Wah Wu, Sep 14 2014
(PARI) row(n) = vecsort(vector(n, k, k^(n-k+1))); \\ Michel Marcus, Jan 24 2022
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Reinhard Zumkeller, Sep 14 2014
STATUS
approved