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A327488
T(n, k) = 1 + NAND(k - 1, n - k), where NAND is the Sheffer stroke operating bitwise on the inputs, triangle read by rows, T(n, k) for n >= 1, 1 <= k <= n.
3
1, 2, 2, 4, 1, 4, 4, 4, 4, 4, 8, 3, 2, 3, 8, 8, 8, 2, 2, 8, 8, 8, 7, 8, 1, 8, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 16, 7, 6, 7, 4, 7, 6, 7, 16, 16, 16, 6, 6, 4, 4, 6, 6, 16, 16, 16, 15, 16, 5, 4, 3, 4, 5, 16, 15, 16, 16, 16, 16, 16, 4, 4, 4, 4, 16, 16, 16, 16
OFFSET
1,2
EXAMPLE
1
2, 2
4, 1, 4
4, 4, 4, 4
8, 3, 2, 3, 8
8, 8, 2, 2, 8, 8
8, 7, 8, 1, 8, 7, 8
8, 8, 8, 8, 8, 8, 8, 8
16, 7, 6, 7, 4, 7, 6, 7, 16
16, 16, 6, 6, 4, 4, 6, 6, 16, 16
16, 15, 16, 5, 4, 3, 4, 5, 16, 15, 16
16, 16, 16, 16, 4, 4, 4, 4, 16, 16, 16, 16
16, 15, 14, 15, 16, 3, 2, 3, 16, 15, 14, 15, 16
16, 16, 14, 14, 16, 16, 2, 2, 16, 16, 14, 14, 16, 16
16, 15, 16, 13, 16, 15, 16, 1, 16, 15, 16, 13, 16, 15, 16
16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
MAPLE
A327488 := (n, k) -> 1 + Bits:-Nand(k-1, n-k):
seq(seq(A327488(n, k), k=1..n), n=1..12);
CROSSREFS
Cf. A327489 (Nor), A327490 (Iff), A280172 (Xor).
Sequence in context: A359855 A214714 A023137 * A065273 A352707 A140819
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Sep 22 2019
STATUS
approved