25499

Appears in sequences

• Number of partitions of n into parts not of the form 17k, 17k+2 or 17k-2. Also number of partitions with 1 part of size 1 and differences between parts at distance 7 are greater than 1.at n=45A035963
• G.f. satisfies A(x) = (1 + x*A(x)^2)*(1 + x^2*A(x)).at n=9A200074
• a(n) = Sum_{i=1..n} prime(n*(i - 1) + i).at n=19A319012
• a(n) is the number of digits in the decimal expansion of the fractional part of Pi needed to contain n occurrences of an n-digit substring.at n=4A331882