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 A213261 a(n) = p(7*n + 5), where p(k) = number of partitions of k = A000041(k). 9
 7, 77, 490, 2436, 10143, 37338, 124754, 386155, 1121505, 3087735, 8118264, 20506255, 49995925, 118114304, 271248950, 607163746, 1327710076, 2841940500, 5964539504, 12292341831, 24908858009, 49686288421, 97662728555, 189334822579, 362326859895, 684957390936, 1280011042268, 2366022741845, 4328363658647, 7840656226137 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS It is known that a(n) is divisible by 7 (see A071746). LINKS Seiichi Manyama, Table of n, a(n) for n = 0..1000 Ho-Hon Leung, Another Identity for Complete Bell Polynomials based on Ramanujan's Congruences, arXiv:1802.08443 [math.CO], 2018. Ho-Hon Leung, Another Identity for Complete Bell Polynomials based on Ramanujan's Congruences, J. Integer Seq. 21 (2018), Article 18.6.4. Lasse Winquist, An elementary proof of p(11m+6) == 0 (mod 11), J. Combinatorial Theory 6(1) (1969), 56-59. MR0236136 (38 #4434). - From N. J. A. Sloane, Jun 07 2012 FORMULA a(n) = A000041(A017041(n)). - Omar E. Pol, Jan 18 2013 a(n) = 7 * A071746(n). - Joerg Arndt, Nov 06 2016 MATHEMATICA Table[PartitionsP[7 n + 5], {n, 0, 29}] (* Jean-François Alcover, Nov 12 2018 *) PROG (PARI) a(n) = numbpart(7*n+5); \\ Michel Marcus, Jan 07 2015 CROSSREFS Cf. A000041, A017041, A071734, A071746, A076394, A213256, A213260, A213261, A327582, A327714, A327770. Sequence in context: A292457 A292737 A352995 * A268958 A068667 A261741 Adjacent sequences: A213258 A213259 A213260 * A213262 A213263 A213264 KEYWORD nonn AUTHOR N. J. A. Sloane, Jun 07 2012 STATUS approved

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Last modified July 13 02:50 EDT 2024. Contains 374265 sequences. (Running on oeis4.)