A380148 - OEIS

A380148

Triangle T(n, k), n > 0, k = 1..n, read by rows; T(n, 1) = A380112(n), and for any k in 2..n, T(n, k) = T(n, k-1) XOR T(n-1, k-1) (where XOR denotes the bitwise XOR operator).

1, 2, 3, 4, 6, 5, 8, 12, 10, 15, 16, 24, 20, 30, 17, 32, 48, 40, 60, 34, 51, 9, 41, 25, 49, 13, 47, 28, 18, 27, 50, 43, 26, 23, 56, 36, 64, 82, 73, 123, 80, 74, 93, 101, 65, 128, 192, 146, 219, 160, 240, 186, 231, 130, 195, 39, 167, 103, 245, 46, 142, 126, 196, 35, 161, 98

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OFFSET

1,2

COMMENTS

This sequence corresponds to the XOR difference triangle associated with A380112. All terms are distinct.

LINKS

Table of n, a(n) for n=1..66.

Rémy Sigrist, PARI program

EXAMPLE

Triangle T(n, k) begins:

2 3

4 6 5