{"greeting":"Prime Terrain API - OEIS-compatible endpoints","sequences":[{"endpoint":"/oeis/primes","id":"PT000001","name":"Prime numbers","related":["A000040"]},{"endpoint":"/oeis/gaps","id":"PT000002","name":"Prime gaps","related":["A001223"]},{"endpoint":"/oeis/d2","id":"PT000003","name":"Second differences of primes","related":["A036263"]},{"endpoint":"/oeis/ratios","id":"PT000004","name":"Second ratio (normalized d2)","related":[]},{"endpoint":"/oeis/neighborhood","id":"neighborhood","name":"Full neighborhood data","related":[]}],"formats":["json","bfile","list","internal"],"parameters":{"start":"Starting index (default: 0)","count":"Number of terms (default: 100, max: 10000)","format":"Output format: json, bfile, list, internal"}}