# A049740 (b-file synthesized from sequence entry) 0 1 1 9 2 25 3 61 4 101 5 161 6 225 7 305 8 405 9 509 10 633 11 761 12 889 13 1069 14 1229 15 1425 16 1609 17 1813 18 2029 19 2253 20 2521 21 2769 22 3045 23 3317 24 3597 25 3937 26 4249 27 4581 28 4925 29 5273 30 5649 31 6025 32 6437 33 6845 34 7265 35 7705 36 8113 37 8597 38 9061 39 9569