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A291895 Triangle read by rows: T(n,k) = T(n-k,k-1) + T(n-k,k) + T(n-k,k+1) with T(0,0) = 1. 6
1, 0, 1, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 2, 0, 5, 3, 1, 0, 8, 5, 1, 0, 13, 9, 2, 0, 22, 14, 4, 0, 36, 24, 6, 1, 0, 60, 40, 11, 1, 0, 100, 66, 18, 2, 0, 166, 111, 31, 4, 0, 277, 184, 52, 7, 0, 461, 308, 86, 12, 1, 0, 769, 513, 146, 20, 1, 0, 1282, 855, 243, 35, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,10

LINKS

Seiichi Manyama, Rows n = 0..481, flattened

EXAMPLE

First few rows are:

  1;

  0,  1;

  0,  1;

  0,  1,  1;

  0,  2,  1;

  0,  3,  2;

  0,  5,  3, 1;

  0,  8,  5, 1;

  0, 13,  9, 2;

  0, 22, 14, 4;

  0, 36, 24, 6, 1.

CROSSREFS

Row sums give A291896.

Columns 0-1 give A000007, A186085 (for n>0).

Sequence in context: A257961 A225310 A131358 * A177351 A117901 A074984

Adjacent sequences:  A291892 A291893 A291894 * A291896 A291897 A291898

KEYWORD

nonn,tabf

AUTHOR

Seiichi Manyama, Sep 05 2017

STATUS

approved

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Last modified August 18 04:50 EDT 2019. Contains 326072 sequences. (Running on oeis4.)