232221
domain: N
Appears in sequences
- Summarize the previous term! (in decreasing order).at n=7A007890
- Triangular numbers in which neighboring digits differ at most by 1. Allowed neighbors of 9 are 0, 8 and 9.at n=22A068149
- Jac(n)(2Jac(n)-1).at n=10A095129
- List of molecules in Hintze-Adami artificial chemistry (see comments for definition).at n=27A101145
- Triangular numbers composed of digits {1,2,3}.at n=9A119097
- Numbers whose decimal expansion is a concatenation of 3 consecutive decreasing numbers.at n=21A127424