22952

Appears in sequences

• Number of 2-line arrays; or number of P-graphs with 2n edges.at n=6A003169
• Number of n-covers of an unlabeled 6-set.at n=4A005747
• Number of 5-covers of an unlabeled n-set.at n=6A005785
• Number of P-graphs with 2n edges.at n=13A007165
• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTT = ZSM-23 Nan[AlnSi24-nO48] starting with a T5 atom.at n=13A019190
• Product of a prime and the following number.at n=35A036690
• Triangle T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n.at n=59A055080
• Deficient oblong numbers.at n=26A077804
• Square array, read by antidiagonals, where rows are successive self-convolutions of the top row, which equals A003169 shifted one place right.at n=35A100324
• Triangle, read by rows, where row n equals the inverse binomial of column n of square array A100324, which lists the self-convolutions of SHIFT(A003169).at n=28A100326
• a(n) = 4*n*(4*n - 1).at n=38A104188
• Terms of A024670 that are not in A141805.at n=33A141806
• Number of ways to place n nonattacking composite pieces rook + rider[1,4] on an n X n chessboard.at n=8A189851
• Augmentation of the triangular array A158405. See Comments.at n=27A193091
• Number of 0..n arrays x(0..7) of 8 elements with zero 4th differences.at n=44A200331
• Numbers that are both interprime and oblong.at n=37A263676
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 165", based on the 5-celled von Neumann neighborhood.at n=31A270459
• Number of nX4 0..1 arrays with every element unequal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.at n=12A304259
• Number of connected n-regular loopless multigraphs on six unlabeled nodes.at n=14A324218
• Number of compositions (ordered partitions) of n into distinct parts, the least being 7.at n=64A339170