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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.

A098615 G.f. A(x) satisfies: A(x*G(x)) = G(x), where G(x) is the g.f. for A098614(n) = Fibonacci(n+1)*Catalan(n).

Table of values

n a(n)
0 1
1 1
2 3
3 5
4 13
5 25
6 61
7 125
8 295
9 625
10 1447
11 3125
12 7151
13 15625
14 35491
15 78125
16 176597
17 390625
18 880125
19 1953125
20 4390901
21 9765625
22 21920913
23 48828125
24 109486993
25 244140625
26 547018941
27 1220703125
28 2733608905
29 6103515625
30 13662695645
31 30517578125
32 68294088535
33 152587890625
34 341399727335
35 762939453125
36 1706739347095
37 3814697265625
38 8532741458075
39 19073486328125
40 42660172763995
41 95367431640625

List of values

[1, 1, 3, 5, 13, 25, 61, 125, 295, 625, 1447, 3125, 7151, 15625, 35491, 78125, 176597, 390625, 880125, 1953125, 4390901, 9765625, 21920913, 48828125, 109486993, 244140625, 547018941, 1220703125, 2733608905, 6103515625, 13662695645, 30517578125, 68294088535, 152587890625, 341399727335, 762939453125, 1706739347095, 3814697265625, 8532741458075, 19073486328125, 42660172763995, 95367431640625]

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

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