65360
domain: N
Appears in sequences
- Values of y in x^2 - 289 = 2*y^2.at n=15A106528
- Arises in enumerating Huffman codes, compact trees, and sums of unit fractions.at n=18A194633
- Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock.at n=1A236125
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays colored with the maximum plus the upper median minus the lower median of every 2X2 subblock.at n=4A236127
- Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape N; triangle T(n,k), n>=0, read by rows.at n=18A247705
- Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 3 6 or 7.at n=13A252527
- Expansion of Product_{k>=1} 1/(1-x^(k+4))^k.at n=39A263360
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 41", based on the 5-celled von Neumann neighborhood.at n=15A278423