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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.

A316405 Number of multisets of exactly four nonempty binary words with a total of n letters such that no word has a majority of 0's.

Table of values

n a(n)
4 1
5 3
6 10
7 33
8 98
9 270
10 738
11 1935
12 5004
13 12580
14 31354
15 76444
16 185305
17 441363
18 1046837
19 2447913
20 5705753
21 13143961
22 30202325
23 68719396
24 156034994
25 351348607
26 789783351
27 1762658134
28 3928209272
29 8700183502
30 19244947618
31 42340195770
32 93049476310
33 203518456343

List of values

[1, 3, 10, 33, 98, 270, 738, 1935, 5004, 12580, 31354, 76444, 185305, 441363, 1046837, 2447913, 5705753, 13143961, 30202325, 68719396, 156034994, 351348607, 789783351, 1762658134, 3928209272, 8700183502, 19244947618, 42340195770, 93049476310, 203518456343]

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

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