22730

Appears in sequences

• Number of nX2 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.at n=20A166796
• Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than 6.at n=3A217244
• Number of inequivalent ways to cut an n X n square into squares with integer sides, such that the dissection has 90-degree rotational symmetry and no reflective symmetry.at n=11A240122
• Number of partitions p of n such that (number of numbers of the form 5k + 4 in p) is a part of p.at n=41A241553
• Triangle read by rows: Take a pentagram with all diagonals drawn, as in A331906. Then T(n,k) = number of k-sided polygons in that figure for k = 3, 4, ..., n+2.at n=18A331907
• Number of cells in a regular 7-gon after n generations of mitosis.at n=25A349808