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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.

A277614 a(n) is the coefficient of x^n/n! in exp(x + n*x^2/2).

Table of values

n a(n)
0 1
1 1
2 3
3 10
4 73
5 426
6 4951
7 41308
8 658785
9 7149628
10 144963451
11 1937124696
12 47660873833
13 756536698360
14 21888570052623
15 402400189738576
16 13384439813823361
17 279666289640774928
18 10512823691028429235
19 246061359639756047008
20 10314843348672697017801
21 267328220273408530004896
22 12363686002049118477390343
23 351473836594567725961268160
24 17776996370247936310502612833
25 550002942283550733215994429376

List of values

[1, 1, 3, 10, 73, 426, 4951, 41308, 658785, 7149628, 144963451, 1937124696, 47660873833, 756536698360, 21888570052623, 402400189738576, 13384439813823361, 279666289640774928, 10512823691028429235, 246061359639756047008, 10314843348672697017801, 267328220273408530004896, 12363686002049118477390343, 351473836594567725961268160, 17776996370247936310502612833, 550002942283550733215994429376]

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

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