30387840

Appears in sequences

• a(n) = 28*(n+1)*binomial(n+6,8)/3.at n=13A027820
• Numbers k such that A007913(k) divides sigma(k) and A008833(k)-1 either divides A326127(k) (= sigma(k)-core(k)-k), or both are zero.at n=34A336641