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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 (list; graph; refs; listen; history; text; internal format)
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

Antti Karttunen, Table of n, a(n) for n = 1..9096

PROG

(Scheme, with Antti Karttunen's IntSeq-library)

(define A263262 (MATCHING-POS 1 0 (lambda (n) (= 2 (A263254 n)))))

CROSSREFS

Cf. A049820, A259934, A263254, A263255.

Sequence in context: A216558 A049619 A295067 * A249650 A114951 A085368

Adjacent sequences:  A263259 A263260 A263261 * A263263 A263264 A263265

KEYWORD

nonn

AUTHOR

Antti Karttunen, Nov 07 2015

STATUS

approved

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Last modified October 19 04:40 EDT 2019. Contains 328211 sequences. (Running on oeis4.)