# A303987 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 1 4 36 5 36 6 1 7 144 8 900 9 400 10 1 11 400 12 8100 13 19600 14 4900 15 1 16 900 17 44100 18 313600 19 396900 20 63504 21 1 22 1764 23 176400 24 2822400 25 9922500 26 7683984 27 853776 28 1 29 3136 30 571536 31 17640000 32 133402500 33 276623424 34 144288144 35 11778624 36 1 37 5184 38 1587600 39 85377600 40 1200622500 41 5194373184 42 7070119056 43 2650190400 44 165636900