A365618 Table read by antidiagonals: T(n, k) = A000120(n) + A000120(k).
0, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 3, 2, 3, 1, 2, 2, 3, 3, 2, 2, 2, 3, 2, 4, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 1, 4, 3, 4, 2, 4, 3, 4, 1, 2, 2, 4, 4, 3, 3, 4, 4, 2, 2, 2, 3, 2, 5, 3, 4, 3, 5, 2, 3, 2, 3, 3, 3, 3, 4, 4, 4, 4, 3, 3, 3, 3, 2, 4, 3, 4, 2, 5, 4, 5, 2
Offset: 0
Examples
The table begins: k=0 1 2 3 4 n=0: 0 1 1 2 1 ... n=1: 1 2 2 3 2 ... n=2: 1 2 2 3 2 ... n=3: 2 3 3 4 3 ... n=4: 1 2 2 3 2 ...
Links
- Mithra Karamchedu, Points (n, k), indicated in black, where T(n, k) <= 12, 0 <= n, k < 2^12.
Programs
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Mathematica
T[n_, k_] := DigitCount[n, 2, 1] + DigitCount[k, 2, 1]
Comments