84253

Appears in sequences

• Denominators of continued fraction convergents to sqrt(866).at n=8A042673
• Partial sums of orders of finite perfect groups (A060793).at n=32A121513
• A121153 \ A005836.at n=22A170830
• Primitive numbers n such that 1/n is in the Cantor set.at n=40A173793
• Least primitive number k such that 1/k is in the Cantor set and the fraction 1/k has period n in base 3.at n=23A175174
• a(n) = 7*a(n-1) - 3*a(n-2), with a(0)=0, a(1)=1.at n=7A190972
• Composites in base 10 that remain composite in exactly four bases b, 2 <= b <= 10, expansions interpreted as decimal numbers.at n=24A256354
• a(n) = a(n-1) + 3*a(n-2) if n is even, otherwise a(n) = 3*a(n-1) + a(n-2), a(0)=0, a(1)=1.at n=14A276288
• Expansion of e.g.f. 1/(2 - exp(x) - x^4).at n=7A352300