45104
domain: N
Appears in sequences
- Decimal part of n^(1/11) starts with a 'nine digits' anagram.at n=18A034286
- Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 110-111-110 pattern in any orientation.at n=10A146271
- Triangle read by rows: T(n,k) = PIP(n,k) is the number of maximal families of sets from {1,2,...,n} with the property that if A and B are sets in the family, then |AB|>=k.at n=30A248929