The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A332783

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A332783

The number of permutations of {(n+1) 1's, (n+1) 2's, ..., (n+1) n's} with the property that k's are equally spaced for k=1..n and the interval of k+1 is less than or equal to the interval of k for k=1..n-1.
(history; published version)

#41 by Michael De Vlieger at Tue Sep 26 14:01:43 EDT 2023

STATUS

reviewed

approved

#40 by Stefano Spezia at Tue Sep 26 13:54:20 EDT 2023

STATUS

proposed

reviewed

#39 by Max Alekseyev at Tue Sep 26 13:50:32 EDT 2023

STATUS

editing

proposed

#38 by Max Alekseyev at Tue Sep 26 13:50:23 EDT 2023

DATA

1, 4, 16, 104, 484, 4848, 25104, 300336, 2335296, 27953952, 198725952, 4731323904, 33020828928, 606237831936, 8936541384192, 174694058933760, 1628654065588224, 56338295740213248, 545177455792662528, 20766878061520306176, 340162958990367645696

CROSSREFS

Cf. A104442, A332762, A332784, A322178, A332748, A332752, A332773.

KEYWORD

nonn,more

nonn

EXTENSIONS

a(18)-a(21) from Max Alekseyev, Sep 26 2023

STATUS

approved

editing

#37 by Joerg Arndt at Sun Mar 08 05:11:09 EDT 2020

STATUS

reviewed

approved

#36 by Michel Marcus at Sun Mar 08 05:09:13 EDT 2020

STATUS

proposed

reviewed

#35 by Bert Dobbelaere at Sun Mar 08 05:05:21 EDT 2020

STATUS

editing

proposed

#34 by Bert Dobbelaere at Sun Mar 08 05:04:59 EDT 2020

DATA

1, 4, 16, 104, 484, 4848, 25104, 300336, 2335296, 27953952, 198725952, 4731323904, 33020828928, 606237831936, 8936541384192, 174694058933760, 1628654065588224

EXTENSIONS

a(9)-a(17) from Bert Dobbelaere, Mar 08 2020

STATUS

approved

editing

#33 by Alois P. Heinz at Sat Feb 29 14:33:02 EST 2020

STATUS

reviewed

approved

#32 by Jon E. Schoenfield at Sat Feb 29 13:50:55 EST 2020

STATUS

proposed

reviewed