OFFSET
1,1
EXAMPLE
Corner:
2, 4, 7, 9, 12, 14, 16, 19, 21, ...
4, 8, 13, 17, 21, 22, 26, 30, 35, ...
6, 13, 21, 28, 34, 35, 41, 48, 56, ...
10, 21, 33, 44, 54, 55, 65, 76, 88, ...
15, 32, 49, 66, 82, 83, 98, 115, 133, ...
19, 40, 61, 82, 102, 103, 122, 143, 165, ...
25, 51, 78, 105, 130, 131, 156, 183, 210, ...
41, 83, 126, 169, 210, 211, 252, 283, 310, ...
...
MATHEMATICA
z = 100; r = N[1/Sqrt[2]];
s[m_] := Range[z] r^m; t[0] = s[0];
t[n_] := Sort[Union[s[n], t[n - 1]]]
row[n_] := Flatten[Table[Position[t[n], N[k]], {k, 1, z}]]
TableForm[Table[row[n], {n, 1, 10}]] (* A347067, array *)
w[n_, k_] := row[n][[k]];
Table[w[n - k + 1, k], {n, 12}, {k, n, 1, -1}] // Flatten (* A347067, sequence *)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Sep 02 2021
STATUS
approved