67390
domain: N
Appears in sequences
- Sum of primes in n-th shell of prime spiral.at n=7A053997
- Least power of 3 having a run of exactly n consecutive 5's in its decimal representation.at n=8A131548
- The least k such that the decimal expansion of 3^k contains 9 consecutive n's.at n=5A215783
- Number T(n,k) of colored integer partitions of n using all colors of a k-set such that a color pattern for part i has i distinct colors in increasing order; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=60A327117
- Number of colored integer partitions of 2n using all colors of an n-set such that a color pattern for part i has i distinct colors in increasing order.at n=5A327843