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A083777
Diagonal of A083776.
2
2, 5, 7, 31, 127, 149, 12653, 92467, 342362509
OFFSET
1,1
CROSSREFS
Sequence in context: A293063 A215211 A118786 * A056442 A056443 A042931
KEYWORD
nonn,more
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 07 2003
EXTENSIONS
a(5)-a(8) from Ray Chandler, Oct 04 2006
a(9) from Jinyuan Wang, May 23 2020
STATUS
approved