17976

Appears in sequences

• -1 + number of partitions of n.at n=36A000065
• a(n) = Chowla's function of n * sigma(n).at n=59A062785
• Non-balanced numbers in A015771.at n=29A078549
• Let A denote the sequence; A is equal to the union of the self-convolutions A^2 and A^3, with terms in ascending order by size.at n=32A090845
• Triangle T(n,k), 0 <= k <= n, read by rows, given by [1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] DELTA [1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...] where DELTA is the operator defined in A084938.at n=50A111049
• A054525 * A000041.at n=36A133732
• Triangle read by rows: A007318 * A136717.at n=32A137594
• Values of n such that n^a-+a are primes, a=5.at n=20A155021
• Number of nondecreasing integer sequences of length 20 with sum zero and sum of absolute values 2n.at n=13A158154
• Maximal entry in row n of triangle in A169945.at n=15A169949
• Numbers k for which 6k+1, 24k+5, 432k^2+72k-1, and 432k^2+90k-1 are all prime.at n=21A175513
• Number of n X 4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,4,2,0,1 for x=0,1,2,3,4.at n=9A196859
• Twice A137829.at n=16A201078
• Number of (n+1) X 3 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=4A206088
• Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=1A206091
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=16A206094
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two counterclockwise and two clockwise edge increases.at n=19A206094
• Number of 2 X 2 matrices having all elements in {-n,...n} and determinant 5.at n=39A209990
• Self-convolution square of A090845.at n=18A222082
• Number of (n+1) X (1+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=10A231295