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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

%I

%S 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,

%T 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,

%U 16,15,16,16,16,16,16,4,4,4,4,16,16,16,16

%N 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.

%e 1

%e 2, 2

%e 4, 1, 4

%e 4, 4, 4, 4

%e 8, 3, 2, 3, 8

%e 8, 8, 2, 2, 8, 8

%e 8, 7, 8, 1, 8, 7, 8

%e 8, 8, 8, 8, 8, 8, 8, 8

%e 16, 7, 6, 7, 4, 7, 6, 7, 16

%e 16, 16, 6, 6, 4, 4, 6, 6, 16, 16

%e 16, 15, 16, 5, 4, 3, 4, 5, 16, 15, 16

%e 16, 16, 16, 16, 4, 4, 4, 4, 16, 16, 16, 16

%e 16, 15, 14, 15, 16, 3, 2, 3, 16, 15, 14, 15, 16

%e 16, 16, 14, 14, 16, 16, 2, 2, 16, 16, 14, 14, 16, 16

%e 16, 15, 16, 13, 16, 15, 16, 1, 16, 15, 16, 13, 16, 15, 16

%e 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16

%p A327488 := (n, k) -> 1 + Bits:-Nand(k-1, n-k):

%p seq(seq(A327488(n, k), k=1..n), n=1..12);

%Y Cf. A327489 (Nor), A327490 (Iff), A280172 (Xor).

%K nonn,tabl

%O 1,2

%A _Peter Luschny_, Sep 22 2019

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Last modified September 24 03:26 EDT 2021. Contains 347623 sequences. (Running on oeis4.)