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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A285371 Sum of the entries in the ninth blocks of all set partitions of [n].

Table of values

n a(n)
9 9
10 460
11 13365
12 291312
13 5313419
14 85887795
15 1273861815
16 17739276489
17 235727269842
18 3025136223480
19 37838768653358
20 464684701656546
21 5636371498958757
22 67862072916294706
23 814494099000392487
24 9780912755503955712
25 117894823818639390505
26 1430383074839724093993

List of values

[9, 460, 13365, 291312, 5313419, 85887795, 1273861815, 17739276489, 235727269842, 3025136223480, 37838768653358, 464684701656546, 5636371498958757, 67862072916294706, 814494099000392487, 9780912755503955712, 117894823818639390505, 1430383074839724093993]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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