20870

Appears in sequences

• a(n) = smallest positive integer that cannot be obtained using the number n at most n times and the operations +, -, *, /, where intermediate subexpressions must be integers.at n=15A071848
• Number of square plane partitions of n.at n=34A089299
• Number of meaningful differential operations of the n-th order on the space R^10.at n=13A090995
• Number of planar partitions of n where parts strictly decrease along each row and column.at n=29A114736
• Number of length n 1..(1+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.at n=26A254940