141615

Appears in sequences

• Describe the n-th triangular number A000217(n).at n=30A045986
• Series for 2nd parallel moment of square lattice bond percolation near a wall (eventually goes negative).at n=12A056598
• Total sum of number of lambda-parking functions, where lambda ranges over all partitions of n into distinct parts.at n=21A265016
• Number of normal multiset partitions of weight n into sets with distinct sums.at n=9A381718