72468
domain: N
Appears in sequences
- Records in A065925.at n=34A065927
- a(n) = 10000*n + 2468.at n=7A102689
- Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+857)^2 = y^2.at n=8A129857
- Number of two-sided n-step prudent walks ending on the northeast corner of their box, avoiding more than two consecutive west steps and more than two consecutive south steps.at n=13A178036
- Half the number of (n+1) X 2 0..2 arrays with no 2 X 2 subblock having sum 4.at n=4A183784
- Half the number of (n+1)X6 0..2 arrays with no 2X2 subblock having sum 4.at n=0A183788
- T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having sum 4.at n=10A183792
- T(n,k)=Half the number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having sum 4.at n=14A183792
- Numbers k such that 451*2^k+1 is prime.at n=7A323195
- Antidiagonal-sums of the absolute value of the array A377033(n,k) = n-th term of the k-th differences of the composite numbers (A002808).at n=20A377035