am(h2)bm+1(h2)}2h2+2sh18(s2+1)127h(s3+3s)1212h2(5s4+34s2+9)1217h3(33s5+410s3+405s)1220h4(63s6+1260s4+2943s2+486)1225h5(527s7+15617s5+69001s3+41607s)+.