cp's OEIS Frontend

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.

A200544 Number of distinct bags of distinct sequences of 1s and 2s such that the sum of all terms is n.

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 14
5 28
6 61
7 122
8 253
9 505
10 1017
11 2008
12 3976
13 7769
14 15169
15 29379
16 56751
17 108993
18 208725
19 397913
20 756385
21 1432578
22 2705744
23 5094749
24 9568504
25 17922756
26 33492061
27 62438472
28 116151352
29 215612548
30 399451325
31 738612472
32 1363261171
33 2511748010
34 4620024202

List of values

[1, 1, 3, 6, 14, 28, 61, 122, 253, 505, 1017, 2008, 3976, 7769, 15169, 29379, 56751, 108993, 208725, 397913, 756385, 1432578, 2705744, 5094749, 9568504, 17922756, 33492061, 62438472, 116151352, 215612548, 399451325, 738612472, 1363261171, 2511748010, 4620024202]

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

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