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A263264
Row 4 of A263255.
2
7, 17, 24, 72, 87, 98, 139, 141, 142, 150, 202, 208, 225, 228, 297, 338, 340, 371, 372, 375, 386, 388, 408, 420, 424, 432, 502, 506, 537, 539, 542, 550, 625, 644, 660, 680, 684, 698, 712, 732, 804, 818, 822, 824, 926, 948, 952, 967, 968, 971, 973, 976, 990, 1056, 1062, 1120, 1122
OFFSET
1,1
COMMENTS
Numbers n for which A263254(n) = 4. Numbers that are four 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 A263264 (MATCHING-POS 1 0 (lambda (n) (= 4 (A263254 n)))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 07 2015
STATUS
approved