43035
domain: N
Appears in sequences
- Consider a room of size r X s where rs = 2n and 1 <= r <= s; count ways to arrange n Tatami mats in room; a(n) = total number of ways for all choices of r and s. Two arrangements are considered the same if one is a rotation or reflection of the other.at n=29A052270
- Expansion of 1/(1-x+2*x^2+x^3).at n=23A077955
- Numbers k such that k^3 divides 14^(k^2) + 1.at n=24A177814
- a(n) = A261234(n) - A261237(n).at n=12A261236
- Generator sequence for A100982.at n=9A325904