105001

Appears in sequences

• Strong pseudoprimes to base 20.at n=29A020246
• Strong pseudoprimes to base 84.at n=31A020310
• Number of minimal total dominating sets in the n-barbell graph.at n=25A302650
• The phi-radical numbers: composite numbers m such that rad(phi(m)) = rad(m-1).at n=12A306478
• Irregular table read by rows, T(n, k) is the rank of the k-th Genocchi permutation of {1,...,n}, permutations sorted in lexicographical order. If no Genocchi permutation of {1,...,n} exists, then T(n, 1) = 0 by convention.at n=31A347599
• E.g.f. satisfies A(x) = exp(x + x^4 * A(x)^4).at n=7A362473