61750

Appears in sequences

• a(n) = n*(n+1)*(n^2-2*n+2)/2.at n=19A101375
• a(n) = (7*n+2)*(7*n+5) = 49*n^2 + 49*n + 10.at n=35A177060
• Row sums of triangle A156070.at n=19A188538
• Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.at n=2A236867
• Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.at n=2A236870
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.at n=12A236875
• Number of primitive (aperiodic, or Lyndon) necklaces with n beads of unlabeled colors such that the numbers of beads per color are distinct.at n=13A261599
• Numbers n such that A083722(n) > 1 and A083722(n) occurs earlier in A083722.at n=31A293894
• Number of (not necessarily maximal) cliques in the n X n queen graph.at n=10A295903