75495

Appears in sequences

• The larger of a betrothed pair.at n=8A003503
• Betrothed (or quasi-amicable) numbers.at n=17A005276
• Number of mobiles (circular rooted trees) with n nodes and 3 leaves.at n=41A055341
• Larger element of a reduced infinitary amicable pair.at n=1A126173
• 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, -1, 1), (-1, 0, 0), (0, -1, 1), (0, 0, -1), (1, 1, 1)}.at n=9A149667
• Members of a pair (m,k) such that sigma(m) = sigma(k) = sigma(m+k), m < k where sigma = A000203.at n=29A239436
• Number of length n+3 0..6 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=5A249705
• Number of length 6+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=5A249712
• Number of length n+2 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=19A255109
• Larger of reduced bi-unitary amicable pair.at n=2A306871
• Quasi-amicable pairs.at n=17A328370