104895

Appears in sequences

• Quadruples of different integers from [ 1,n ] with no global factor.at n=41A015622
• Quadruples of different integers from [ 2,n ] with no global factor.at n=41A015627
• Numbers k such that k and 4*k are anagrams.at n=22A023088
• Numbers k such that both k and k+1 are abundant.at n=28A096399
• Fifth column of (1,5)-Pascal triangle A096940.at n=34A096942
• Numbers k such that both sigma(k) >= 2*k-1 and sigma(k+1) >= 2*(k+1)-1.at n=30A103289
• Non-repdigit numbers k that divide A045876(k).at n=18A276413
• Numbers k such that both k and k+1 are Zumkeller numbers (A083207).at n=26A328327
• Numbers k such that k and k+1 are both in A357605.at n=1A357608
• Numbers k such that each of k and k+1 is either a practical number (A005153) or an almost practical number (A174533).at n=18A387654