105714

Appears in sequences

• Numbers k such that the k-th triangular number contains only digits {5,7,8}.at n=12A119225
• Regular triangle where T(n,k) is the number of pairs of set partitions of {1,...,n} with join of length k.at n=41A318392
• Number of permutations p of [n] whose absolute displacements |p(i)-i| are square numbers.at n=14A324375