79799

Appears in sequences

• a(n) = A065824(A047845(n+1)).at n=33A065884
• Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined below in Comments.at n=17A192421
• Numbers of the form p*q, p and q prime with q=2*p+3.at n=23A226754
• Composite numbers whose sum of aliquot parts divides the sum of the aliquot parts of the numbers less than or equal to n and not relatively prime to n.at n=34A249109
• Numbers with digits 7 and 9 only.at n=41A285011