241110

Appears in sequences

• Smaller of unitary amicable pair.at n=10A002952
• Aliquot sequence starting at 966.at n=22A014363
• Let v = (1,4,9,...,n^2), x = (0,1,2,4,6,...) [first n terms of A002620]; a(n) = v.v * x.x - (v.x)^2.at n=18A060452
• Consider the line segment in R^n from the origin to the point v = (1,4,9,...,n^2); let d = squared distance to this line from the closest point of Z^n (excluding the endpoints). Sequence gives d times v.v.at n=17A060454
• Unitary amicable numbers.at n=19A063991
• Coefficients of mock modular form H_2^(4) (divided by 16).at n=28A256209
• Capless binary boundary codes for holeless strictly non-overlapping polyhexes, only the maximal representative from each equivalence class obtained by rotating.at n=11A258004
• Capless binary boundary codes for fusenes, maximal representative from each equivalence class up to rotation.at n=11A258014
• List of pairs of unitary amicable numbers (m, n) with record value of m/n.at n=4A292019
• a(n) is the smallest member of the n-th purely periodic unitary sigma aliquot cycle listed in A336216.at n=19A336219