32720
domain: N
Appears in sequences
- If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 7. See A159741 for details.at n=9A159743
- Fibonacci 11-step numbers.at n=26A168082
- Solutions y of the Mordell equation y^2 = x^3 - 3a^2 + 1 for a = 0,1,2, ... (solutions x are given by the sequence A000466).at n=16A173202
- Sum of neighbor maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal, vertical and antidiagonal neighbors in a random 0..3 nX3 array.at n=4A222446
- T(n,k)=Sum of neighbor maps: number of nXk binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal, vertical and antidiagonal neighbors in a random 0..3 nXk array.at n=23A222448
- T(n,k)=Sum of neighbor maps: number of nXk binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal, vertical and antidiagonal neighbors in a random 0..3 nXk array.at n=25A222448
- Number of binary strings of length 2n which contain the ones' complement of each of their two halves.at n=13A237500
- Lexicographically earliest sequence of distinct terms > 1 such that no term is a substring of the product of any two terms.at n=34A381242