References to A043892

Numbers n such that 1 and 4 occur juxtaposed in the base 5 representation of n but not of n+1.
9, 21, 34, 49, 59, 71, 84, 96, 109, 121, 134, 146, 159, 174, 184, 196, 209, 221, 249

1 seqfan posts