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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.

A380048 a(n) = A000045(n) * A001003(n).

Table of values

n a(n)
0 0
1 1
2 3
3 22
4 135
5 985
6 7224
7 55627
8 436653
9 3503666
10 28537245
11 235558347
12 1965437136
13 16552173909
14 140505456663
15 1200968926590
16 10327551834411
17 89286693775373
18 775611959272392
19 6766372185052247
20 59256729852910425
21 520754062920338026
22 4590973472772299193
23 40591542233796808247

List of values

[0, 1, 3, 22, 135, 985, 7224, 55627, 436653, 3503666, 28537245, 235558347, 1965437136, 16552173909, 140505456663, 1200968926590, 10327551834411, 89286693775373, 775611959272392, 6766372185052247, 59256729852910425, 520754062920338026, 4590973472772299193, 40591542233796808247]

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

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