[seqfan] Re: Divisor partitions

Don Reble djr at nk.ca
Fri Mar 27 00:08:23 CET 2020


> Let a(n) be the total number of divisor partitions of [n] = {1, 2, ..., n}
>   1, 2, 3, 7, 9, 25, 30, 78, 138, 342, 386, 1307

    I get
    1 2 3 7 9 25 30 78 138 342 386 1307 1448 3406 6818 18907 20478 65901
    70781 213704 397874 885118 939377 3624495 5034048 11032794 20966732
    59398560 62307000 225641196 235937708 682530590 1183122260
    2540294162 4026533578 15943721982 16555409210 35301649136

> Does something related already appear in the OEIS?

    A067824(N) is the number of divisor partitions with maximum value N.

-- 
Don Reble  djr at nk.ca




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