18398

Appears in sequences

• Denominators of continued fraction convergents to sqrt(423).at n=10A041805
• Positions where number of periodic partitions increases.at n=42A059994
• Number of binary strings of length n with no substrings equal to 0001 0101 or 0110.at n=16A164469
• G.f. satisfies: A(x) = x*Product_{n>=1} 1/(1 - x*A(x)^n).at n=14A192478
• Number of partitions of n such that (number parts having multiplicity 1) is a part or (number of parts > 1) is a part.at n=38A241515
• Numbers k such that (412*10^k - 7)/9 is prime.at n=17A294125
• Numbers k such that A019320(k) is in A217468.at n=32A297412
• Numbers k such that 2^m == 2 (mod m*(m-1)), where m=A019320(k).at n=43A297413
• Number of compositions (ordered partitions) of n into distinct parts where no part is a multiple of 3.at n=39A332309
• Number of length-n binary strings that are the concatenation of two nonempty palindromes.at n=18A370410