OFFSET
1,1
LINKS
Jason Kimberley, Table of i, a(i) for i = 1..10126 (T(n,k) for n = 1..46)
FORMULA
T(n,k) = prime(k) * floor(n*sqrt(2/prime(k)))^2.
EXAMPLE
The first six rows are:
2;
8, 3, 5, 7;
18, 12, 5, 7, 11, 13, 17;
32, 27, 20, 28, 11, 13, 17, 19, 23, 29, 31;
50, 48, 45, 28, 44, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47;
72, 48, 45, 63, 44, 52, 68, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71;
MATHEMATICA
Table[# Floor[n Sqrt[2/#]]^2 &@ Prime@ k, {n, 7}, {k, PrimePi[2 n^2]}] // Flatten (* Michael De Vlieger, Feb 17 2017 *)
PROG
CROSSREFS
KEYWORD
nonn,tabf,easy
AUTHOR
Jason Kimberley, Feb 10 2017
STATUS
approved