26224

Appears in sequences

• Number of nonnegative integer 4 X 4 matrices with no zero rows or columns and with sum of elements equal to n.at n=7A055007
• Let u(1)=u(2)=1, u(3)=2n, u(k) = abs(u(k-1)-u(k-2)-u(k-3)) and M(k) = Max_{i<=i<=k} u(i), then for any k >= A078109(n), M(k) = floor(sqrt(k + a(n))).at n=25A078108
• Total number of nonprime parts in all partitions of n.at n=28A144119
• Partial sums of (A006899, prefixed by a 1).at n=22A170804
• Number of line segments connecting exactly 5 points in an n x n grid of points.at n=33A177721
• Positive integers of the form (7*m^2+1)/11.at n=36A179370
• Number of nondecreasing arrangements of 6 nonzero numbers in -(n+4)..(n+4) with sum zero.at n=10A188336
• Index sequence for limit-block extending A000002 (Kolakoski sequence) with first term as initial block.at n=44A246145
• Number of (n+1) X (3+1) 0..3 arrays with every 2 X 2 subblock summing to 6 and no 2 X 2 subblock having exactly two nonzero entries.at n=5A251231
• Number of (n+1) X (6+1) 0..3 arrays with every 2 X 2 subblock summing to 6 and no 2 X 2 subblock having exactly two nonzero entries.at n=2A251234
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with every 2 X 2 subblock summing to 6 and no 2 X 2 subblock having exactly two nonzero entries.at n=30A251236
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with every 2 X 2 subblock summing to 6 and no 2 X 2 subblock having exactly two nonzero entries.at n=33A251236
• Numbers k such that k and k+1 have the same sum of 5-smooth divisors.at n=17A355713