78205

Appears in sequences

• Number of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=15A201274
• Number of (n+5)X9 0..1 matrices with each 6X6 subblock idempotent.at n=16A224573
• Number T(n,k) of entries in the k-th cycles of all permutations of [n] when cycles are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=30A322383
• Number of entries in the third cycles of all permutations of [n] when cycles are ordered by increasing lengths.at n=5A332907
• Numbers that can be written as the product of two of its divisors such that the reverse of the binary value of the number equals the concatenation of the binary values of the divisors.at n=6A355973
• Composite numbers which equal the reverse of the concatenation of their ascending ordered prime factors, with repetition, when written in binary.at n=1A371666