18074

Appears in sequences

• a(n) = 3^n + 4^n + 7^n.at n=5A074549
• a(n) = A088760(n+1)/A088760(n).at n=23A088761
• Number of strictly increasing arrangements of 5 nonzero numbers in -(n+3)..(n+3) with sum zero.at n=20A188124
• a(n) = prime(n) + prime(n+1) * prime(n+2).at n=30A293206
• Number of series-reduced rooted trees whose leaves are strict integer partitions whose multiset union is an integer partition of n.at n=9A320175
• Numbers k such that k and k + 1 are both lazy-Lucas-Niven numbers (A351719).at n=38A351720
• a(n) is the number of ways to partition an n X n X n cube into four noncongruent cuboids of different volumes.at n=26A385580