105991

Appears in sequences

• Expansion of 1/((1-x)(1-5x)(1-9x)(1-12x)).at n=4A023772
• Numbers n which are divisors of the number produced by concatenating (n-5), (n-4), ... (n-1) in that order.at n=7A088870
• The least number s having exactly n threes in the continued fraction of sqrt(s).at n=33A206583
• a(n) = (1/4)*n^4 - (1/2)*n^3 + (3/4)*n^2 - (1/2)*n + 41.at n=25A259552