References to A138712

n-th run has length n-th positive triangular number, with digits 0 and 1 only, starting with 0.
0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

1 seqfan posts