48052
domain: N
Appears in sequences
- Composite numbers k such that all the decimal concatenations ik and ikj (i, j = 1...9) are also composite.at n=26A032737
- Sum of two consecutive primes that is also sum of two consecutive even positive squares.at n=10A236461
- Number of partitions of n where the difference between consecutive parts is at most 6.at n=44A238866
- Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241).at n=19A247689
- Numbers that are the sum of seven fourth powers in exactly nine ways.at n=31A345831
- First term is 1; thereafter, if u and v are consecutive terms, with decimal expansions u = bc...ef, v = hi...jk, then v-u has decimal expansion efhi, formed by concatenating the last two digits of u and the first two digits of v. If there is a choice for v, pick the smallest.at n=12A367363