293292210961
domain: N
Appears in sequences
- Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=24A033139
- Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3.at n=12A037595
- A modified Legendre-binomial transform of 2^n for p=3.at n=24A117983
- Triangle T(n, k, q) = 2*c(n, q)/(c(k,q)*c(n-k,q)) where c(n,q) = Product_{j=0..n} (q^(q^j) - 1) and q=3, read by rows.at n=7A173507
- Triangle T(n, k, q) = 2*c(n, q)/(c(k,q)*c(n-k,q)) where c(n,q) = Product_{j=0..n} (q^(q^j) - 1) and q=3, read by rows.at n=8A173507
- Triangle of numbers 2^i*C(n,i) mod 3 converted to decimal.at n=24A182069
- a(n) = (27^n - 1)/26.at n=9A218730
- Set x=3 in polynomial corresponding to A253091(n).at n=24A255286