120786
domain: N
Appears in sequences
- a(n) = A027113(n, n+4).at n=12A027117
- Smith triangular numbers.at n=18A098840
- Even pseudoprimes to base 37.at n=24A130441
- Triangular numbers which have one or more occurrences of exactly six different digits.at n=7A241789
- Triangular numbers that are palindromes in base 7.at n=11A350992
- Lesser of 2 successive tetraprimes (k, k+4) sandwiching three consecutive not squarefree numbers.at n=34A367791