# A046910 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 25 5 1321 6 70201 7 4542721 8 384969649 9 44087846545 10 6926924885881 11 1503058888234201 12 451117640363382697 13 186980881340749198561 14 106678398214255092939169 15 83440038893764124092029601 16 89093417035281194970121062073 17 129323858612953057624127147727913 18 254190262374139251098507525465587609