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.

A294343 E.g.f.: exp( Sum_{n>=1} ( Product_{k=1..n} sigma(k) ) * x^n/n! ).

Table of values

n a(n)
0 1
1 1
2 4
3 22
4 178
5 1570
6 18808
7 230980
8 3505468
9 57144700
10 1068295600
11 20546428360
12 461887088728
13 10502814172696
14 264754450444576
15 7060121052388720
16 204307337026984720
17 6046890989734627600
18 195299794016884735552
19 6449005971683059906144
20 228860773033625810367520
21 8414329938572105578573600
22 325809232939269347815692160
23 12955190762780437329737296960
24 547586316827523026196832913344

List of values

[1, 1, 4, 22, 178, 1570, 18808, 230980, 3505468, 57144700, 1068295600, 20546428360, 461887088728, 10502814172696, 264754450444576, 7060121052388720, 204307337026984720, 6046890989734627600, 195299794016884735552, 6449005971683059906144, 228860773033625810367520, 8414329938572105578573600, 325809232939269347815692160, 12955190762780437329737296960, 547586316827523026196832913344]

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

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