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A357583
Triangle read by rows. Convolution triangle of the Bell numbers.
2
1, 0, 1, 0, 2, 1, 0, 5, 4, 1, 0, 15, 14, 6, 1, 0, 52, 50, 27, 8, 1, 0, 203, 189, 113, 44, 10, 1, 0, 877, 764, 471, 212, 65, 12, 1, 0, 4140, 3311, 2013, 974, 355, 90, 14, 1, 0, 21147, 15378, 8951, 4440, 1790, 550, 119, 16, 1, 0, 115975, 76418, 41745, 20526, 8727, 3027, 805, 152, 18, 1
OFFSET
0,5
EXAMPLE
Triangle T(n, k) starts:
[0] 1;
[1] 0, 1;
[2] 0, 2, 1;
[3] 0, 5, 4, 1;
[4] 0, 15, 14, 6, 1;
[5] 0, 52, 50, 27, 8, 1;
[6] 0, 203, 189, 113, 44, 10, 1;
[7] 0, 877, 764, 471, 212, 65, 12, 1;
[8] 0, 4140, 3311, 2013, 974, 355, 90, 14, 1;
[9] 0, 21147, 15378, 8951, 4440, 1790, 550, 119, 16, 1;
MAPLE
# Using function PMatrix from A357368.
PMatrix(10, combinat[bell]);
CROSSREFS
Cf. A000110, A129247 (row sums), A007311, A357584 (central terms).
Sequence in context: A088391 A128899 A155887 * A113368 A066435 A261301
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Oct 05 2022
STATUS
approved