Decomposition of Unitary abundant numbers
Unitary abundant numbers (usigma(n)>2n).
Decomposition of A034705
Numbers that are sums of consecutive squares.
Decomposition of A034707
Numbers which are sums of consecutive primes.
Decomposition of A034709
Numbers divisible by their last digit.
Decomposition of A034837
Numbers that are divisible by first digit.
Decomposition of A034838
Numbers n that are divisible by every digit of n.
Decomposition of A034856
a(n) = binomial(n+1, 2) + n - 1 = n(n + 3)/2 - 1.
Decomposition of A034962
Primes that are the sum of three consecutive primes.
Decomposition of A034965
Primes that are sum of five consecutive primes.
Decomposition of A035137
Numbers that are not the sum of 2 palindromes (where 0 is considered a palindrome).