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.

A085277 Expansion of (1+x)^2/((1-2x)(1-3x)).

Table of values

n a(n)
0 1
1 7
2 30
3 108
4 360
5 1152
6 3600
7 11088
8 33840
9 102672
10 310320
11 935568
12 2815920
13 8466192
14 25435440
15 76380048
16 229287600
17 688157712
18 2065062960
19 6196368528
20 18591464880
21 55779113232
22 167346776880
23 502059205008
24 1506215363760

List of values

[1, 7, 30, 108, 360, 1152, 3600, 11088, 33840, 102672, 310320, 935568, 2815920, 8466192, 25435440, 76380048, 229287600, 688157712, 2065062960, 6196368528, 18591464880, 55779113232, 167346776880, 502059205008, 1506215363760]

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

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