91377

Appears in sequences

• Numbers k for which the quotient q(k)=(k+rev(k))/abs(k-rev(k)) is an integer.at n=30A087993
• 16*s^8 - 168*s^4*t^4 + 9*t^8, where s > 0, t = 1..s.at n=3A241924
• Number of compositions (ordered partitions) of n into prime parts such that no two adjacent parts are equal (Carlitz compositions).at n=42A301428
• Number of integer partitions of n such that no distinct part can be written as a (strictly) positive linear combination of the other distinct parts.at n=47A365072