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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.

A097699 Records in the numbers of antichains in the divisor lattice D(n) (A096827).

Table of values

n a(n)
1 2
2 3
3 4
4 6
5 10
6 15
7 20
8 21
9 50
10 105
11 175
12 196
13 490
14 887
15 1176
16 3490

List of values

[2, 3, 4, 6, 10, 15, 20, 21, 50, 105, 175, 196, 490, 887, 1176, 3490]

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

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