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.

A099970 Write 1/e as a binary fraction; read this from left to right and whenever a 1 appears, note the integer formed by reading leftwards from that 1. Then convert those integers from binary into decimal numbers.

Table of values

n a(n)
0 1
1 5
2 13
3 29
4 61
5 573
6 2621
7 6717
8 23101
9 88637
10 350781
11 875069
12 9263677
13 26040893
14 93149757
15 227367485
16 2374851133
17 10964785725
18 28144654909
19 165583608381
20 440461515325
21 990217329213
22 3189240584765
23 7587287095869
24 16383380118077

List of values

[1, 5, 13, 29, 61, 573, 2621, 6717, 23101, 88637, 350781, 875069, 9263677, 26040893, 93149757, 227367485, 2374851133, 10964785725, 28144654909, 165583608381, 440461515325, 990217329213, 3189240584765, 7587287095869, 16383380118077]