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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.

A293421 The PD_t(n) function (Number of tagged parts over all the partitions of n with designated summands).

Table of values

n a(n)
1 1
2 3
3 6
4 13
5 24
6 45
7 77
8 132
9 213
10 346
11 537
12 834
13 1257
14 1893
15 2778
16 4077
17 5865
18 8421
19 11903
20 16785
21 23364
22 32444
23 44562
24 61041
25 82859
26 112164
27 150639
28 201768
29 268413
30 356100
31 469636
32 617724
33 808236
34 1054802
35 1370127
36 1775286
37 2290610
38 2948427
39 3780717
40 4836814

List of values

[1, 3, 6, 13, 24, 45, 77, 132, 213, 346, 537, 834, 1257, 1893, 2778, 4077, 5865, 8421, 11903, 16785, 23364, 32444, 44562, 61041, 82859, 112164, 150639, 201768, 268413, 356100, 469636, 617724, 808236, 1054802, 1370127, 1775286, 2290610, 2948427, 3780717, 4836814]

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

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