21624372015
domain: N
Appears in sequences
- Number of base-3 circular n-digit numbers with adjacent digits differing by 1 or less.at n=27A124696
- Number of independent vertex sets in the Moebius ladder graph with 2n nodes (n >= 0).at n=27A182143
- Length of the short leg of the unique primitive Pythagorean triple whose inradius is A002315(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=13A377725