Prime p₀= 764231865731419817 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 26 18 6 4 18 38 4 2 18 28 18 2 4 38 18 4 6 18 26 (?)
a_n: 0 26 44 50 54 72 110 114 116 134 162 180 182 186 224 242 246 252 270 296
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 296
Found by: [SG]steini
db: batch=73, k=20, 26 18 6 4 18 38 4 2 18 28

STPT(10)	764231618582061821	0 2 36 38 78 80 120 122 156 158	-247149357996
TPT(14)	764231632414851617	0 2 42 44 84 86 132 134 144 146 240 242 384 386	-233316568200
SPT(16)	764231701971870907	0 40 54 82 106 154 190 222 244 276 312 360 384 412 426 466	-163759548910
TPT(14)	764231737162813691	0 2 30 32 36 38 90 92 156 158 168 170 258 260	-128568606126
STPT(10)	764231784718674869	0 2 42 44 60 62 78 80 120 122	-81012744948
SPT(16)	764231804618497433	0 8 36 38 60 84 150 164 180 194 260 284 306 308 336 344	-61112922384
SPT(16)	764232212187865451	0 6 30 50 60 72 90 120 128 158 176 188 198 218 242 248	346456445634
SPT(16)	764232902271478741	0 40 70 112 126 138 148 178 180 210 220 232 246 288 318 358	1036540058924
SPT(16)	764232993406621121	0 6 92 102 116 132 158 246 272 360 386 402 416 426 512 518	1127675201304
SPT(16)	764233018157752447	0 16 36 66 72 82 124 154 162 192 234 244 250 280 300 316	1152426332630
STPT(10)	764233020514169147	0 2 30 32 42 44 54 56 84 86	1154782749330