# A018929 (b-file synthesized from sequence entry) 1 9 2 25 3 169 4 7225 5 24649 6 151905625 7 155276521 8 11296501225 9 76364348281 10 115402204681 11 107410609760281 12 297167295808681 13 3750076824489457081 14 2635366822165468321225 15 17815079717838565851481 16 761621011605820344834025