A263277 First differences of A263276; length of n-th run of terms of same parity in A259934.
21, 3, 8480, 1356, 18162, 149, 78495, 291, 1194707, 8567, 1426107, 4090, 6029619, 59748, 325034101, 95590
Offset: 1
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