Row 3 of square array defined in A047671.

Terms

a(0) =1a(1) =10a(2) =37a(3) =94a(4) =193a(5) =346a(6) =565a(7) =862a(8) =1249a(9) =1738a(10) =2341a(11) =3070a(12) =3937a(13) =4954a(14) =6133a(15) =7486a(16) =9025a(17) =10762a(18) =12709a(19) =14878a(20) =17281a(21) =19930a(22) =22837a(23) =26014a(24) =29473a(25) =33226a(26) =37285a(27) =41662a(28) =46369a(29) =51418