187026

Appears in sequences

• a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^0 if n is even.at n=17A140157
• Length of n-th iterate of the mapping 00->0010, 01->001, 10->011, starting with 00.at n=29A289010