73506
domain: N
Appears in sequences
- Decimal part of a(n)^(1/4) starts with a 'nine digits' anagram.at n=19A034279
- Number of partitions of the n-th prime into parts that are all primes.at n=28A056768
- Product plus sum of four consecutive nonnegative numbers.at n=15A166941
- Number of (n+1)X(n+1) -9..9 symmetric matrices with every 2X2 subblock having sum zero and three or four distinct values.at n=3A211554
- a(n) = coefficient of x^n*y^n in Product_{n>=1} (1 - (x^n + y^n))^3.at n=32A322214
- Number of vertices in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.at n=20A334458
- Sum over all partitions of n of the GCD of the number of parts and the number of distinct parts.at n=40A339312