45456

Appears in sequences

• k times k+6 gives the concatenation of two numbers m and m+7.at n=5A116339
• a(n) = 4*a(n-1) + 2*a(n-2) for n > 1; a(0) = 1, a(1) = 6.at n=7A164549
• Number of non-isomorphic non-normal semi-magic square multiset partitions of weight n.at n=28A321721