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A206000
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Inverse Euler transform of 2 - A195981.
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3
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1, 0, 0, 1, 2, 6, 15, 40, 110, 303, 853, 2419, 6950, 20110, 58677, 172267, 508825, 1510472, 4504978, 13491155, 40554394, 122318519, 370075767, 1122830663, 3415591776, 10414918850, 31827804005, 97464863424, 299032201886, 919094334980, 2829593105751, 8724968220133, 26942517476931, 83312297368383
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OFFSET
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0,5
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COMMENTS
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The sequence is conjectured to be nonnegative and convex.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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