46968domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(490).at n=9A041935Column 4 of array in A226513.at n=11A226741Numbers k such that (229*10^k - 1)/3 is prime.at n=23A280272Number of integer compositions of n matching both of the dashed patterns 23-1 and 1-32.at n=19A375297