38612
domain: N
Appears in sequences
- Numbers whose set of base 14 digits is {0,1}.at n=20A033050
- Product of a prime and the previous number.at n=44A036689
- Numbers which can be written as b^2*c^2*(b^2+c^2).at n=31A063663
- Numbers k such that core(k) = ceiling(sqrt(k)) where core(k) is the squarefree part of k (the smallest integer such that k*core(k) is a square).at n=13A069187
- a(n) = n^2*(n^2+1).at n=14A071253
- a(n) = 15n^2 + 13n^3.at n=14A085377
- Number of pseudoline arrangements with n curves.at n=8A090339
- Number of (n+2)X(3+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors.at n=2A238023
- T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors.at n=12A238026
- Number of (3+2)X(n+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors.at n=2A238029
- Multiplicative order of 2 modulo prime(n)^2 for n >= 2.at n=43A243905
- Number of (n+2) X (6+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7.at n=7A251892
- Numbers m such that gcd(A001008(m), m) > 1, in increasing order.at n=45A256102
- Numbers n such that 2 * (1^n + 2^n + 3^n + ... + n^n) is not 0 (mod n), but 2 * (1^d + 2^d + 3^d + ... + d^d) is 0 (mod d) for each other d | n.at n=21A280187
- a(n) is the least exponent k such that 3^k-1 is divisible by prime(n)^2, or -1 if no such k exists.at n=44A283620
- The first Zagreb index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.1).at n=33A292344
- Multiplicative order of 5 (mod p^2), where p = prime(n), or 0 if 5 and p are not coprime.at n=44A305331
- Discriminants of totally real cubic fields with 2 associated nonconjugate fields.at n=6A329786
- Primitive numbers that are the sum of the squares of two of their distinct divisors.at n=20A338485
- a(n) is the number of large or small squares that are used to tile primitive squares of type 1 whose length of side is A344333(n).at n=25A344334