23172

Appears in sequences

• Number of positive integers <= 2^n of form x^2 + 6 y^2.at n=17A000077
• Even numbers seen in decimal expansion of Pi (disregarding the decimal period) contiguous, smallest and distinct.at n=47A050818
• McKay-Thompson series of class 40A for Monster.at n=52A058662
• Triangle T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 2.at n=37A256890
• Triangle T(n,k) = t(n-k, k); t(n,m) = f(m)*t(n-1,m) + f(n)*t(n,m-1), where f(x) = x + 2.at n=43A256890
• Irregular triangle of denominators of the average value of the first letter over all derangements of {1, 2, ..., n} with k descents.at n=42A332010
• The number of overpartitions of n where the number of non-overlined parts is at least two more than the number of overlined parts.at n=25A340668
• Numbers that are the sum of eight fourth powers in ten or more ways.at n=21A345585