#include int main() { unsigned long a, b, c; printf(" a | b | c\n"); printf("-------------------------------------\n"); for (a = 1, b = 1, c = 1; a < 10; a++) { b *= c; c += a; printf("%10lu | %10lu | %10lu\n", a, b, c); c++; } printf("-------------------------------------\n"); return 0; }