50003
domain: N
Appears in sequences
- Numerators of the determinant of matrix (M(n) - H(n)), where H(n) is the n-th Hilbert matrix and M(n) is an n X n matrix with i,j-th entry i+j-1.at n=13A061913
- Numbers n such that there are (presumably) nine palindromes in the Reverse and Add! trajectory of n.at n=10A090070
- a(n) is the least semiprime > a(n-1) whose digits do not appear in a(n-1).at n=29A131220
- Numbers k such that k and k^2 use only the digits 0, 2, 3, 5 and 9.at n=49A136891
- a(n) is the cardinality of the "Cross Set" which is the subset of distinct resistances that can be produced by a circuit of n unit resistors using only series or parallel combinations which cannot be decomposed as a single unit resistor in either series or parallel with a circuit of n-1 unit resistors.at n=14A176497
- Number of length n 1..(3+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7.at n=9A258626
- Number of series-reduced rooted trees whose leaves are integer partitions whose multiset union is an integer partition of n with no 1's.at n=17A320293
- Record values in A356640.at n=19A356642
- a(n) is the least composite number obtained by inserting a nonempty string of 0's inside n.at n=43A382277