First Continued Fraction Constant

b2 a1 5c 27 ee d9 1a 59 92 17 0b 94 81 3f fa 17 
24 6c 88 18 f3 86 70 bb 16 cb b5 d7 50 f0 25 06 
cf 5d b4 5a 34 d5 cd 80 fa 1e 3f 4e 7b 2b 88 35 
d3 d9 dd c3 ae f1 05 c6 23 fb 14 db 55 08 77 3c 
bd 8f e7 74 0f 3f 0f a8 70 c3 2b 97 e3 c6 63 78 
e2 c7 db 2d ba 91 9d 1c 9a 79 12 35 69 56 29 7a 
fe 67 b5 44 13 ed 95 eb 8c 9d 51 3a 4c 45 95 84 
62 ae 44 6d ea 8e f5 c5 bb 8b 13 67 b1 d7 8c 0b 
0f 92 ea dd 43 11 a7 f5 fb ec f8 4d b9 41 45 d5 
bd cb 45 69 88 fb d9 3e b7 89 ad 6e 89 4d 78 a4 
a0 d9 3e 8d 9d 9c 43 37 fe 4b 2a 14 fc 7a 7e fb 
02 97 4b 66 e0 8a 7f c9 90 ac 2f 74 bc 57 5a 4b 
fa 63 89 35 99 0c 44 3b da a1 4a 9e 13 7a 4e ae 
dd 3e 9d 1b e3 7e 69 fd 5d b4 1e 95 c3 f0 dd 34 
7c 46 03 c3 bb 85 7b 3d 6b f7 d9 d1 ba 4a f6 83 
30 58 b7 5d 33 44 81 18 c3 67 7c dc 89 31 68 02 

Download: first-continued-fraction-constant.bin
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https://oeis.org/A052119

Bessell(1,2)/Bessell(0,2)

called so due to https://en.wikipedia.org/wiki/List_of_mathematical_constants#Mathematical_constants_sorted_by_their_representations_as_continued_fractions

As a decimal fraction: 0.6977746579640079820067905925517525994867-

1.4331274267223117583171834557759918204315+