Decomposition of A008917
Numbers that are the sum of 3 positive cubes in more than one way.
Decomposition of A009112
Areas of Pythagorean triangles: numbers which can be the area of a right-angled triangle with integer sides.
Decomposition of A009177
Numbers that are the hypotenuses of more than one Pythagorean triangle.
Decomposition of Binary self numbers
Binary self or Colombian numbers: numbers that cannot be expressed as the sum of distinct terms of the form 2^k+1 (k>=0), or equivalently, numbers not of form m + sum of binary digits of m.
Decomposition of A010064
Base 4 self or Colombian numbers (not of form n + sum of base 4 digits of n).
Decomposition of A010784
Numbers with distinct decimal digits.
Decomposition of A011257
Geometric mean of phi(n) and sigma(n) is an integer.
Decomposition of A011531
Numbers that contain a 1.
Decomposition of A011532
Numbers that contain a 2.
Decomposition of A011533
Numbers that contain a 3.