50860

Appears in sequences

• Numbers whose base-15 representation has exactly 5 runs.at n=9A043672
• a(n) = Sum_{i=0..n} digsum_5(i)^4, where digsum_5(i) = A053824(i).at n=55A231671
• Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1 <= k <= m positions can be picked in an m X m square grid such that the picked positions have a central symmetry.at n=42A291717