155563

Appears in sequences

• Least number of Sort-then-add persistence n.at n=44A033863
• The (1,5)-entry in the 5 X 5 matrix M^n, where M={{5, 3, 2, 1, 1}, {3, 2, 1, 1, 0}, {2, 1, 1, 0, 0}, {1, 1, 0, 0, 0}, {1, 0, 0, 0, 0}}.at n=7A123943
• G.f. satisfies A(x) = 1/(1-x) + x^4*A(x)^4.at n=18A364591