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 A262902 a(n) = A049820(A045765(n)); parent-nodes of the leaves of the tree generated by edge-relation A049820(child) = parent. 5
 5, 4, 11, 17, 14, 16, 22, 22, 29, 27, 35, 32, 41, 46, 44, 46, 51, 48, 57, 57, 58, 65, 62, 70, 69, 77, 81, 80, 92, 91, 101, 96, 107, 102, 111, 110, 111, 119, 118, 114, 129, 120, 129, 130, 128, 128, 139, 141, 138, 147, 144, 155, 148, 161, 158, 165, 152, 162, 166, 169, 162, 176, 181, 191, 187, 199, 192, 201, 214, 215, 222, 216, 227, 224, 231, 239, 238, 238, 249, 234, 249, 247, 255, 255 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The sequence is computed for each leaf of the tree (A045765), ordered by their magnitude, and it contains duplicates. LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A049820(A045765(n)). PROG (Scheme) (define (A262902 n) (A049820 (A045765 n))) CROSSREFS Row 2 of A262898. Cf. A262901 (same sequence sorted into ascending order, with duplicates removed). Cf. A049820, A045765. Cf. also A257507. Sequence in context: A166549 A324781 A232894 * A215332 A298779 A131875 Adjacent sequences:  A262899 A262900 A262901 * A262903 A262904 A262905 KEYWORD nonn AUTHOR Antti Karttunen, Oct 06 2015 STATUS approved

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Last modified June 18 20:04 EDT 2021. Contains 345121 sequences. (Running on oeis4.)