The first number in the pair shown in S000334.
4, 6, 8, 14, 20, 32, 54, 74, 90, 114, 212, 294, 524, 888, 1130, 1328, 4298, 4832, 5352, 5592, 8468, 12854, 15684, 19610, 25472, 31398, 134514, 155922, 338034, 360654, 370262, 492114, 1349534, 1357202, 1561920, 2010734, 4652354, 8421252, 11113934, 15203978
1
T. D. Noe, Plot of 40 terms
nonn
T. D. Noe, Nov 12 2014