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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.

A110170 First differences of the central Delannoy numbers (A001850).

Table of values

n a(n)
0 1
1 2
2 10
3 50
4 258
5 1362
6 7306
7 39650
8 217090
9 1196834
10 6634890
11 36949266
12 206549250
13 1158337650
14 6513914634
15 36718533570
16 207412854786
17 1173779487810
18 6653482333450
19 37770112857074
20 214694383882498
21 1221832400430482
22 6961037946938250
23 39697830840765090
24 226596964146630658

List of values

[1, 2, 10, 50, 258, 1362, 7306, 39650, 217090, 1196834, 6634890, 36949266, 206549250, 1158337650, 6513914634, 36718533570, 207412854786, 1173779487810, 6653482333450, 37770112857074, 214694383882498, 1221832400430482, 6961037946938250, 39697830840765090, 226596964146630658]

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

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