# A335389 (b-file synthesized from sequence entry) 1 49 2 324 3 1024 4 1444 5 1681 6 2600 7 9800 8 265225 9 332928 10 379456 11 421200 12 1940449 13 4198400 14 4293184 15 4739328 16 8346320 17 11309768 18 27050400 19 65918161 20 203694425 21 384199200 22 418488849 23 546717924 24 2239277041 25 2687489280 26 4866742025 27 5783450400 28 6933892900 29 7725003664