# A127436 (b-file synthesized from sequence entry) 1 2 2 5 3 17 4 37 5 101 6 257 7 1297 8 1601 9 4357 10 15877 11 16901 12 22501 13 24337 14 32401 15 44101 16 57601 17 62501 18 65537 19 72901 20 78401 21 93637 22 156817 23 160001 24 176401 25 184901 26 217157 27 240101 28 309137 29 324901 30 331777 31 417317 32 476101 33 490001 34 562501 35 577601 36 682277