36742domain: NAppears in sequencesRotations of 123, 245, 367, 489 (terms differ by 122) juxtaposed with the product of their last 2 digits. See example line.at n=6A122043Expansion of (1/x) * Series_Reversion( x * (1-3*x)^2 / (1-2*x) ).at n=5A371362