login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A223543 Nim-products of powers of 2, list of entries in matrix A223541. 3
1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 24, 32, 44, 48, 52, 64, 75, 96, 103, 128, 141, 176, 185, 192, 198, 208, 222, 256, 384, 512, 704, 768, 832, 1024, 1200, 1536, 1648, 2048, 2256, 2816, 2960, 3072, 3168, 3328, 3552, 4096, 4237, 6144, 6237 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

List of entries in the nim-multiplication table of powers of 2 (A223541).

First 3^n entries are the distinct entries of multiplication table of size 2^n.

LINKS

Tilman Piesk, Table of n, a(n) for n = 0..6560

Tilman Piesk, Walsh permutation; nimber multiplication (Wikiversity)

Tilman Piesk, Detailed list, including the entries' positions in the matrix

FORMULA

A223541(m,n) = a( A223542(m,n) ).

a(0,2,4,8,10,14,18,26...) = a( A006046(1,2,3...) - 1 ) = A006017.

EXAMPLE

a(23) = 192, which is the result of the nim-multiplications 2*128 and 8*32.

CROSSREFS

Cf. A051775 (nim-multiplication table).

Cf. A223541 (nim-multiplication table of powers of 2).

Cf. A006017 (nim-squares of powers of 2).

Cf. A006046 (sum of first n rows in Sierpinski's triangle).

Cf. A000079 (powers of 2).

Cf. A000244 (powers of 3).

Sequence in context: A165514 A182417 A189704 * A306802 A293635 A123586

Adjacent sequences:  A223540 A223541 A223542 * A223544 A223545 A223546

KEYWORD

nonn

AUTHOR

Tilman Piesk, Mar 21 2013

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 November 14 02:19 EST 2019. Contains 329108 sequences. (Running on oeis4.)