25697
domain: N
Appears in sequences
- Exactly 6 digits from {1,2,3,4,5,6,7,8,9} can precede a(n) to form a prime.at n=4A032696
- Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-0110-1111 pattern in any orientation.at n=12A147356
- Collatz (or 3x+1) trajectory starting at 703.at n=31A161021
- Expansion of Product_{k>=1} 1/(1-x^(k^2))^(k^2).at n=38A291655
- Number T(n,k) of plane partitions of n into parts of exactly k sorts which are introduced in ascending order; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=41A319730