24865
domain: N
Appears in sequences
- Numbers k such that rotating digits of k^2 left once still yields a square.at n=17A045878
- Downward vertical of triangular spiral in A051682.at n=37A081272
- Triangle, read by rows, equal to the matrix inverse of Q=A113381.at n=22A114158
- Binomial transform of [1, 4, 6, 4, 1, 1, -1, 1, -1, 1, ...].at n=23A140227
- Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>2.at n=19A211614
- Least k such that prime(k) + prime(k+1) contains n distinct prime divisors.at n=6A251609
- Those terms of A255571 whose every A080541/A080542-rotation is also a term of A255571.at n=49A258001
- Integers k such that k*3^k + 2 is prime.at n=19A265121
- Number of total cyclic orders Z on {0, ..., n-1} such that (i, (i+1) mod n, (i+2) mod n) in Z for 0 <= i < n.at n=10A295264
- Centered square numbers which are semiprime.at n=47A371016
- Number of points in Z^4 of norm <= n where the sum of the four entries is even.at n=10A380832