text: [1] +20 = [21] +34 = [55]\n[4] +27 = [31] +34 = [65]\n[8] +33 = [41] +34 = [75]\n[13] +37 = [50] +34 = [84]\n\n20, 27, 33, and 37 are probably bogus numbers or a half-cooked code you inserted, while the pattern occurs with the 34's added at intervals.\n\nANSWER: 84. that's what my genius siblings say.