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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.

A264038 Convolution of Lucas and Jacobsthal numbers.

Table of values

n a(n)
0 0
1 2
2 3
3 10
4 20
5 47
6 98
7 210
8 435
9 902
10 1848
11 3775
12 7670
13 15542
14 31403
15 63330
16 127500
17 256367
18 514938
19 1033450
20 2072675
21 4154702
22 8324528
23 16673535
24 33386670
25 66837422
26 133778523
27 267724810
28 535721060
29 1071881327
30 2144473298
31 4290096450
32 8582053395
33 17167117142
34 34339105128
35 68686091455
36 137384934950
37 274790503142
38 549614391563
39 1099282801650

List of values

[0, 2, 3, 10, 20, 47, 98, 210, 435, 902, 1848, 3775, 7670, 15542, 31403, 63330, 127500, 256367, 514938, 1033450, 2072675, 4154702, 8324528, 16673535, 33386670, 66837422, 133778523, 267724810, 535721060, 1071881327, 2144473298, 4290096450, 8582053395, 17167117142, 34339105128, 68686091455, 137384934950, 274790503142, 549614391563, 1099282801650]

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

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