190379
domain: N
Appears in sequences
- Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0,1.at n=5A037791
- Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k columns and any number of distinct nonzero rows with column sums n and columns in nonincreasing lexicographic order.at n=31A331572
- Number of nonnegative integer matrices with n columns and any number of distinct nonzero rows with column sums 3 and columns in nonincreasing lexicographic order.at n=4A331710