18704

Appears in sequences

• a(n) = T(2n,n-2), T given by A026648.at n=6A026651
• Number of 7 X 7 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.at n=25A156392
• Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 25.at n=6A156483
• a(n) = n*(5n^2 + 3n + 4) / 6.at n=28A203551
• Difference between sum of largest parts and sum of smallest parts of all partitions of n into an even number of parts.at n=29A211881
• Number of partitions p of n such that max(p)-min(p) = 7.at n=44A218570
• Irregular triangle read by rows: T(n,k) (n>=2, 1<=k<=n) gives number of arrangements of the elements from the multiset M(n, 3) into exactly k disjoint cycles.at n=34A245183
• Numbers k such that A127417(k) = 1.at n=28A305162
• Number of integer partitions of n whose multiset multiplicity kernel is a submultiset.at n=47A367684