36845

Appears in sequences

• Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite APC = AlPO4-C [Al16P16O64 ](1,2) starting from a T1 atom.at n=6A018978
• Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-4.at n=4A211901
• T(n,k)=Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-k-1.at n=25A211904
• Number of nX6 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=3A223997
• T(n,k)=Number of nXk 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=39A223999
• Number of 4 X n 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=5A224002
• a(n) = Sum_{i=0..n} digsum_4(i)^4, where digsum_4(i) = A053737(i).at n=57A231667
• a(n) is the denominator of the generalized continued fraction with terms sigma(m)/m for m=1 to n.at n=8A254060