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!)
A326956 Characteristic function of A228354. 0
1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

-------------------------------------------------------------

.                  |          Compositions of k

.                  |

   n  a(n) A228354 | k = 1    2     3       4         5

-------------------------------------------------------------

.

   1   1      1          1    1+1   1+1+1   1+1+1+1   1+1+1+1+1

   2   1      2               2     2+1     2+1+1     2+1+1+1

   3   0                            1+2     1+2+1     1+2+1+1

   4   1      4                     3       3+1       3+1+1

   5   0                                    1+1+2     1+1+2+1

   6   1      6                             2+2       2+2+1

   7   0                                    1+3       1+3+1

   8   1      8                             4         4+1

   9   0                                              1+1+1+2

  10   0                                              2+1+2

  11   0                                              1+2+2

  12   1     12                                       3+2

  13   0                                              1+1+3

  14   0                                              2+3

  15   0                                              1+4

  16   1     16                                       5

...

Note that removing the compositions of k in colexicographic order that are associated to the zeros of this sequence so we have the partitions of k in the same order.

CROSSREFS

Cf. A000041, A011782, A187219, A211992, A228354, A228525, A228720.

Sequence in context: A267001 A141735 A322585 * A322860 A178225 A264739

Adjacent sequences:  A326953 A326954 A326955 * A326957 A326958 A326959

KEYWORD

nonn

AUTHOR

Omar E. Pol, Sep 14 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 February 23 11:52 EST 2020. Contains 332159 sequences. (Running on oeis4.)