

A369995


Irregular triangle read by rows: T(n,k) is the number of induced kvertex subgraphs, up to isomorphism, of the hypercube graph of dimension n >= 0, 0 <= k <= 2^n.


3



1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 6, 3, 3, 1, 1, 1, 1, 2, 3, 7, 12, 26, 42, 63, 54, 49, 27, 19, 6, 4, 1, 1
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OFFSET

0,8


LINKS



EXAMPLE

Triangle begins:
1, 1;
1, 1, 1;
1, 1, 2, 1, 1;
1, 1, 2, 3, 6, 3, 3, 1, 1;
1, 1, 2, 3, 7, 12, 26, 42, 63, 54, 49, 27, 19, 6, 4, 1, 1;
...


CROSSREFS



KEYWORD

nonn,tabf,more


AUTHOR



STATUS

approved



