# A049984 (b-file synthesized from sequence entry) 1 2 2 5 3 19 4 97 5 601 6 35281 7 5748019201 8 2311256907767808001 9 594596384994354462720001 10 5382999938946608755288342267304597177897268019200000000001 11 136332557214406957166109544809874331662074014454506289616400595025920000000000001