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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.)