180213

Appears in sequences

• Numbers k such that A065608(k) = A065608(k+1).at n=15A065062
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, 1, 1), (1, -1, 0), (1, 0, -1)}.at n=11A148924
• Partial sums of A164095.at n=27A164096
• Numbers that are palindromic in bases 2 and 6.at n=19A182233
• Multiplicity of the zero at x=1 of the characteristic polynomial P_n^C.at n=33A246997
• The odd part of those numbers which divide the sum of their divisors (A007691).at n=17A320024
• Odd squarefree numbers k for which m >= 0 can be found such that k*2^m divides sigma(k*2^m).at n=10A320026