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A255616 Table read by antidiagonals, T(n,k) = floor(sqrt(k^n)), n >= 0, k >=1. 1
1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 2, 1, 1, 2, 4, 5, 4, 1, 1, 2, 5, 8, 9, 5, 1, 1, 2, 6, 11, 16, 15, 8, 1, 1, 2, 7, 14, 25, 32, 27, 11, 1, 1, 3, 8, 18, 36, 55, 64, 46, 16, 1, 1, 3, 9, 22, 49, 88, 125, 128, 81, 22, 1, 1, 3, 10, 27, 64, 129, 216, 279, 256, 140, 32, 1, 1, 3, 11, 31, 81, 181, 343, 529, 625, 512, 243, 45, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,9
LINKS
FORMULA
T(n,k) = floor(sqrt(k^n)), n >= 0, k >=1.
EXAMPLE
See table in the links.
MATHEMATICA
T[n_, k_] := Floor[Sqrt[k^n]]; Table[T[k, n + 1 - k], {n, 0, 15}, {k, 0, n}] (* G. C. Greubel, Dec 30 2017 *)
PROG
(PARI){for(i=1, 20, for(n=0, i-1, a=floor(sqrt((i-n)^n)); print1(a, ", ")))}
CROSSREFS
Diagonals: A190343, A066642, A075264.
Sequence in context: A080345 A285202 A004737 * A014600 A165475 A341456
KEYWORD
nonn,tabl
AUTHOR
Kival Ngaokrajang, Feb 28 2015
EXTENSIONS
Terms a(81) onward added by G. C. Greubel, Dec 30 2017
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)