25538
domain: N
Appears in sequences
- Positive integers k such that k | (15^k + 1).at n=3A015968
- a(n) = 2*prime(n)^2.at n=29A079704
- 2*p^2, for p an odd prime.at n=28A143928
- 1/8 the number of (n+1)X2 0..3 arrays with all 2X2 subblock sums the same.at n=6A184021
- 1/8 the number of (n+1)X8 0..3 arrays with all 2X2 subblock sums the same.at n=0A184027
- T(n,k)=1/8 the number of (n+1)X(k+1) 0..3 arrays with all 2X2 subblock sums the same.at n=21A184029
- T(n,k)=1/8 the number of (n+1)X(k+1) 0..3 arrays with all 2X2 subblock sums the same.at n=27A184029
- Number of 0..n arrays x(0..9) of 10 elements with zero 5th differences.at n=40A200446
- Numbers k such that k and k^2 are the sums of two nonzero squares in exactly two ways.at n=44A273293
- Where records occur in A070138.at n=29A298942
- Numbers of the form 2*p^e, with p an odd prime and e >= 2.at n=44A354929
- Record high values of A379248.at n=61A379294