184140

Appears in sequences

• Practical numbers with a record gap to the next practical number.at n=14A330870
• Number of vertices in a "frame" of size n X n (see Comments in A331776 for definition).at n=23A332598
• a(n) is the least practical number A005153(k) such that A005153(k+1) - A005153(k) = 2*n, or -1 if no such number exists.at n=21A364707
• a(n) = a(n-1) + a(n-2) + ... + a(n-k) where k = (a(n-1) mod (n-1)) + 1 for n >= 3, with a(1) = 1 and a(2) = 2.at n=20A375079