141109

Appears in sequences

• Minimal last term of an n-tuple of pairwise coprime composites in A.P.at n=15A087795
• Numbers k such that the k-th triangular number contains only digits {4,5,9}.at n=9A119209
• Number of permutations of [n] avoiding {1234, 1324, 3412}.at n=13A294796
• Number of n X 3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s.at n=9A297577
• G.f.: x / (Sum_{k>=1} k * x^k / (1 + x^k)).at n=20A335227