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A275192
Positions of 7 in A274640.
8
26, 31, 37, 43, 56, 68, 81, 96, 107, 127, 144, 162, 208, 247, 304, 358, 363, 509, 579, 894, 1048, 1080, 1115, 1398, 1590, 1630, 1671, 1731, 1882, 1925, 2151, 2198, 2245, 2612, 2743, 2768, 2849, 2902, 2927, 3011, 3320, 3436, 3493, 3645, 3706, 4017, 4341, 4572
OFFSET
1,1
FORMULA
A274640(a(n)) = 7.
KEYWORD
nonn
AUTHOR
Zak Seidov, Jul 19 2016
STATUS
approved