51180

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DAC = Dachiardite Na5[Al5Si19O48].12H2O starting with a T2 atom.at n=14A019103
• Number of base 26 n-digit numbers with adjacent digits differing by one or less.at n=8A126380
• Number of n X 8 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally.at n=24A188865
• Number of 1X5 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2*n^2 (number of collections of 1 zero-sum 5-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=28A192692