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.

A061515 a(0) = 1; a(n) is obtained by incrementing each digit of a(n-1) by 3.

Table of values

n a(n)
0 1
1 4
2 7
3 10
4 43
5 76
6 109
7 4312
8 7645
9 10978
10 43121011
11 76454344
12 109787677
13 431210111091010
14 7645434443124343
15 10978767776457676
16 43121011109101010978109109
17 76454344431243434312101143124312
18 109787677764576767645434476457645
19 431210111091010109781091091097876771097810978

List of values

[1, 4, 7, 10, 43, 76, 109, 4312, 7645, 10978, 43121011, 76454344, 109787677, 431210111091010, 7645434443124343, 10978767776457676, 43121011109101010978109109, 76454344431243434312101143124312, 109787677764576767645434476457645, 431210111091010109781091091097876771097810978]