43118

Appears in sequences

• Decimal part of a(n)^(1/4) starts with reversal of its integer part: first term of runs.at n=13A034310
• Number of nX4 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.at n=12A166786
• a(n) is the numerator of the resistance R(n) = a(n)/A338402(n) of a triangular network of 3*n*(n+1)/2 one Ohm resistors in a hexagonal lattice arrangement.at n=5A338401
• a(n) is the number of length-n ballot sequences whose reversals are also ballot sequences.at n=15A338418