41231686041
domain: N
Appears in sequences
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,1.at n=17A037489
- Write n in binary n times and concatenate (see example). a(n) is the decimal equivalent.at n=8A162473
- Evaluation of the polynomials given by the Riordan square of the Fibonacci sequence with a(0) = 1 (A193737) at 1/2 and normalized with 2^n.at n=18A330795