22970

Appears in sequences

• Series-parallel numbers.at n=9A000137
• Poincaré series [or Poincare series] (or Molien series) for a certain six-fold wreath product P_6.at n=41A091769
• a(n) = n*(5n^2 + 3n + 4) / 6.at n=30A203551
• Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX5 array.at n=6A219288
• Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array.at n=4A219290
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.at n=59A219291
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nXk array.at n=61A219291
• Number of integers m, 1 <= m <= A002569(n), that are not terms in the triangle T(n,k) of A008284.at n=51A292994
• Numbers k such that 303*2^k+1 is prime.at n=39A322916
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=44A386477