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.

A049190 Start with 1. Convert to base 2, describe it in base 2, convert to base 10. Repeat with the new result.

Table of values

n a(n)
1 1
2 3
3 5
4 59
5 245
6 2491
7 235253
8 127756731
9 330567489269
10 258479716298484155
11 36823182192123209878050549
12 25576412117054296344209353299113896379
13 10994511204169842163496446583221775727830456269734123253

List of values

[1, 3, 5, 59, 245, 2491, 235253, 127756731, 330567489269, 258479716298484155, 36823182192123209878050549, 25576412117054296344209353299113896379, 10994511204169842163496446583221775727830456269734123253]