Duplicate of A093342.

Terms

a(0) =7a(1) =37a(2) =63a(3) =218a(4) =547a(5) =728a(6) =1027a(7) =2269a(8) =3635a(9) =4219a(10) =5941a(11) =7064a(12) =12881a(13) =20621a(14) =22661