270626domain: NAppears in sequencesSmallest number with "natural" logarithm n, cf. A061373.at n=45A182061a(n)/A002939(n+1) is the Kirchhoff index of the disjoint union of two complete graphs each on n and n+1 vertices with the empty graph on n+1 vertices.at n=24A338588Smallest k such that A365092(k) = n.at n=43A365093