A216939Number of side-3 hexagonal 0..n arrays with values nondecreasing E, SW and SE.
52, 1211, 17336, 175869, 1374208, 8737047, 46978360, 219784500, 914221308, 3438633452, 11853180096, 37855195604, 113017101804, 317780021548, 846830343064, 2150149059905, …
The first 2 terms appear at position 965,507.
…12848111745028410270193852110555964462294895493038…
…696894424278407617197478521211170867529446036705335557…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 52 | 172 | 9,995,964 |
| 2 | 521211 | 965,507 | 1,004 |
| 3 | 52121117336 | not within 1,000,000,000 | 0 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.