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Table of n, a(n) for n=0..23.
a(n) = p(n, 1) where p(n, t) is the n-th derivative of x^x with t = log(x), evaluated at x = 1.
Since p(3, t) = 3 + 6*t + 3*t^2 + t^3 (compare the example in A293472), a(3) = p(3, 1) = 13.
Sequence in context: A092395 A233281 A218551 * A318485 A005961 A036249
Adjacent sequences: A293294 A293295 A293296 * A293298 A293299 A293300
Peter Luschny, Oct 10 2017