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 A327489 T(n, k) = 1 + NOR(k - 1, n - k), where NOR is the Peirce arrow operating bitwise on the inputs, triangle read by rows, T(n, k) for n >= 1, 1 <= k <= n. 4
 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 4, 1, 2, 1, 4, 3, 3, 1, 1, 3, 3, 2, 3, 2, 1, 2, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 2, 1, 4, 1, 2, 1, 8, 7, 7, 1, 1, 3, 3, 1, 1, 7, 7, 6, 7, 6, 1, 2, 3, 2, 1, 6, 7, 6, 5, 5, 5, 5, 1, 1, 1, 1, 5, 5, 5, 5 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS EXAMPLE 1                               1, 1                             2, 1, 2                            1, 1, 1, 1                          4, 1, 2, 1, 4                         3, 3, 1, 1, 3, 3                       2, 3, 2, 1, 2, 3, 2                      1, 1, 1, 1, 1, 1, 1, 1                    8, 1, 2, 1, 4, 1, 2, 1, 8                   7, 7, 1, 1, 3, 3, 1, 1, 7, 7                 6, 7, 6, 1, 2, 3, 2, 1, 6, 7, 6                5, 5, 5, 5, 1, 1, 1, 1, 5, 5, 5, 5              4, 5, 6, 5, 4, 1, 2, 1, 4, 5, 6, 5, 4             3, 3, 5, 5, 3, 3, 1, 1, 3, 3, 5, 5, 3, 3           2, 3, 2, 5, 2, 3, 2, 1, 2, 3, 2, 5, 2, 3, 2          1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 MAPLE A327489 := (n, k) -> 1 + Bits:-Nor(k-1, n-k): seq(seq(A327489(n, k), k=1..n), n=1..12); CROSSREFS Cf. A327488 (Nand), A327490 (Iff), A280172 (Xor). T(2n+1,n+1) gives A080079. Sequence in context: A231148 A266649 A159847 * A257886 A144477 A106345 Adjacent sequences:  A327486 A327487 A327488 * A327490 A327491 A327492 KEYWORD nonn,tabl AUTHOR Peter Luschny, Sep 22 2019 STATUS approved

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Last modified September 23 14:12 EDT 2021. Contains 347617 sequences. (Running on oeis4.)