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A379261
Irregular triangle T(n, k), n >= 0, k = 1..A379213(n), read by rows; the n-th row lists the nonnegative integers m such that A184615(m) = A003714(n).
2
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 13, 17, 18, 19, 20, 21, 22, 23, 24, 27, 28, 30, 31, 32, 25, 29, 33, 26, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 48, 54, 55, 56, 59, 60, 62, 63, 64, 45, 49, 57, 61, 65, 50, 58, 66, 51, 52, 67, 68
OFFSET
0,3
COMMENTS
As a flat sequence, this is a permutation of the nonnegative integers with inverse A379262.
FORMULA
T(n, A379213(n)) = A003714(n).
EXAMPLE
Triangle T(n, k) begins:
n n-th row
-- ------------------------------
0 0
1 1
2 2
3 3, 4
4 5
5 6, 7, 8
6 9
7 10
8 11, 12, 14, 15, 16
9 13, 17
10 18
11 19, 20
12 21
13 22, 23, 24, 27, 28, 30, 31, 32
14 25, 29, 33
15 26, 34
PROG
(PARI) \\ See Links section.
CROSSREFS
Cf. A003714, A184615, A379213, A379262 (inverse).
Sequence in context: A290492 A191431 A191430 * A011760 A085265 A180004
KEYWORD
nonn,tabf,base
AUTHOR
Rémy Sigrist, Dec 19 2024
STATUS
approved