80435

Appears in sequences

• G.f. 1/sum(k>=0, (-1)^k * x^(k*(k+1)/2)).at n=47A208061
• Square root of smallest square greater than the product of first n primes.at n=9A216144
• Solution of the complementary equation a(n) = 4*a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A295061