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A263262
Row 2 of A263255.
3
3, 4, 11, 14, 32, 44, 48, 81, 86, 88, 116, 130, 135, 175, 184, 186, 192, 200, 244, 246, 252, 262, 266, 284, 286, 296, 320, 326, 336, 365, 370, 376, 378, 380, 384, 404, 406, 428, 430, 460, 482, 490, 524, 529, 534, 608, 624, 642, 652, 654, 656, 682, 690, 764, 768, 772, 786, 794, 796, 802, 806, 810, 884, 888
OFFSET
1,1
COMMENTS
Numbers n for which A263254(n) = 2. Numbers that are two edges removed from the infinite trunk (A259934) of the tree defined by edge-relation A049820(child) = parent.
LINKS
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A263262 (MATCHING-POS 1 0 (lambda (n) (= 2 (A263254 n)))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 07 2015
STATUS
approved