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A292892 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. exp(x^k * (exp(x) - 1)). 3
1, 1, 1, 1, 0, 2, 1, 0, 2, 5, 1, 0, 0, 3, 15, 1, 0, 0, 6, 16, 52, 1, 0, 0, 0, 12, 65, 203, 1, 0, 0, 0, 24, 20, 336, 877, 1, 0, 0, 0, 0, 60, 390, 1897, 4140, 1, 0, 0, 0, 0, 120, 120, 2562, 11824, 21147, 1, 0, 0, 0, 0, 0, 360, 210, 11816, 80145, 115975, 1, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Seiichi Manyama, Antidiagonals n = 0..139, flattened

EXAMPLE

Square array begins:

    1,  1,  1,  1,   1, ...

    1,  0,  0,  0,   0, ...

    2,  2,  0,  0,   0, ...

    5,  3,  6,  0,   0, ...

   15, 16, 12, 24,   0, ...

   52, 65, 20, 60, 120, ...

CROSSREFS

Columns k=0..3 give A000110, A052506, A240989, A292891.

Rows n=0..1 give A000012, A000007.

Main diagonal gives A000007.

Sequence in context: A146162 A147702 A118208 * A074142 A059084 A246117

Adjacent sequences:  A292889 A292890 A292891 * A292893 A292894 A292895

KEYWORD

nonn,tabl

AUTHOR

Seiichi Manyama, Sep 26 2017

STATUS

approved

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Last modified September 28 05:39 EDT 2021. Contains 347703 sequences. (Running on oeis4.)