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.

A123510 Arises in the normal ordering of functions of a*(a+)*a, where a and a+ are the boson annihilation and creation operators, respectively.

Table of values

n a(n)
0 1
1 6
2 42
3 340
4 3135
5 32466
6 373156
7 4713192
8 64877805
9 966466270
10 15487707246
11 265617899196
12 4853435351947
13 94114052406570
14 1930026941433480
15 41728495237790416
16 948549349736725401
17 22613209058160908982
18 564104540143144909810
19 14694713818659640322340

List of values

[1, 6, 42, 340, 3135, 32466, 373156, 4713192, 64877805, 966466270, 15487707246, 265617899196, 4853435351947, 94114052406570, 1930026941433480, 41728495237790416, 948549349736725401, 22613209058160908982, 564104540143144909810, 14694713818659640322340]