login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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

Table of n, a(n) for n=1..78.

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

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