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.

A105485 Number of partitions of {1...n} containing 3 strings of 3 consecutive integers, where each string is counted within a block and a string of more than 3 consecutive integers are counted three at a time.

Table of values

n a(n)
5 1
6 2
7 10
8 44
9 215
10 1112
11 6141
12 35968
13 222659
14 1451770
15 9939702
16 71265036
17 533744979
18 4166533826
19 33831424388
20 285213338300
21 2492259168784
22 22538314947452
23 210639529104328
24 2031804667766532
25 20203377516199587
26 206861906112012524
27 2178715175981722659

List of values

[1, 2, 10, 44, 215, 1112, 6141, 35968, 222659, 1451770, 9939702, 71265036, 533744979, 4166533826, 33831424388, 285213338300, 2492259168784, 22538314947452, 210639529104328, 2031804667766532, 20203377516199587, 206861906112012524, 2178715175981722659]