a(0) = 1, a(n) = 42*n^2 + 2 for n>0.

Terms

a(0) =1a(1) =44a(2) =170a(3) =380a(4) =674a(5) =1052a(6) =1514a(7) =2060a(8) =2690a(9) =3404a(10) =4202a(11) =5084a(12) =6050a(13) =7100a(14) =8234a(15) =9452a(16) =10754a(17) =12140a(18) =13610a(19) =15164a(20) =16802a(21) =18524a(22) =20330a(23) =22220a(24) =24194a(25) =26252a(26) =28394a(27) =30620a(28) =32930a(29) =35324