1345620
domain: N
Appears in sequences
- Triangular numbers whose digits can be rearranged to form a substring of 123456789012345678901234....at n=29A068804
- a(n) = A185128(n) + A185129(n).at n=17A185243
- Triangular numbers which have one or more occurrences of exactly seven different digits.at n=8A241790
- Triangular numbers (A000217) that are the sum of eight consecutive triangular numbers.at n=6A257712